Update README.md and add branch question to issue template

Author: Kristan Kenney

ISSUE_TEMPLATE.md

@@ -15,6 +15,9 @@ Type here (e.g. Ubuntu 18.04 LTS)
 ### HestiaCP Version:
 Type here (e.g. 0.9.8-29)
 
+### Which branch are you using?
+Type here (e.g master, develop, etc.)
+
 ### What software is installed?
 Type here (e.g. Apache, Nginx, PHP-FPM, Dovecot/Exim, MariaDB, etc.)
 

README.md

@@ -1,43 +1,55 @@
 [Hestia Control Panel](https://www.hestiacp.com/)
 ==================================================
 
-Disclaimer
+**Pre-Release Software Information**
 ----------------------------
-**Hestia Control Panel is in active development and has been made available as a pre-release beta.**<br>
-**Please use caution if you choose to use this software in a production environment.**
+**Hestia Control Panel is undergoing rapid changes in development. As such, it is important to note that:**
+* Current builds are released as a beta and are intended for development and testing purposes only.
+* This software should not be used on production systems without understanding the risks.
+* By using this software, you acknowledge and accept that bugs or issues could occur at any time.
+* By using this software, you acknowledge and accept that changes to the functionality or user interface are likely during the course of development.
 
 What is Hestia Control Panel?
 ----------------------------
 * An open source web server control panel with an easy-to-use interface.
 * A lightweight alternative to cPanel, Plesk, etc.
 
-What features does Hestia Control Panel support?
+What does Hestia Control Panel support?
 ----------------------------
-* Web Server (Apache/Nginx) with PHP
-* DNS Server (Bind)
-* Mail Server (Exim/Dovecot) with Anti-Virus and Spam Filtering (ClamAV and SpamAssassin)
-* Database Server (MariaDB/PostgreSQL)
+* Standard Web Server (apache2/nginx) with PHP
+* PHP Web Application Server (nginx + php-fpm)
+* Multiple PHP versions (5.6 - 7.3)
+* DNS Server (Bind) with clustering capabilities
+* Mail Server (Exim/Dovecot) with Anti-Virus and Anti-Spam (ClamAV and SpamAssassin)
+* Database functionality (MariaDB/PostgreSQL)
+* Let's Encrypt SSL with wildcard certificates
 
-System Requirements:
+Supported operating systems:
 ----------------------------
 * Debian 8 or 9
 * Ubuntu 16.04 LTS or Ubuntu 18.04 LTS
-* **NOTE:** Hestia Control Panel must be installed on a "clean" operating system to ensure proper functionality.
+* **NOTE:** Hestia Control Panel must be installed on top of a fresh operating system installation to ensure proper functionality.
 
-How to install:
-----------------------------
-Log in to your server as root, either directly or via SSH:
+Installing Hestia Control Panel
+============================
+## Step 1: Log in
+To install Hestia Control Panel on your server, you will need to be logged in as **root** either directly from the command line console or remotely via SSH:
 ```bash
 ssh root@your.server
 ```
-Download the installation script:
+## Step 2: Download
+Download the installation script for the latest release:
 ```bash
 wget https://raw.githubusercontent.com/hestiacp/hestiacp/master/install/hst-install.sh
 ```
-Run the installation script and follow the on-screen instructions:
+## Step 3: Run
+To begin the installation process, simply run the script and follow the on-screen prompts:
 ```bash
 bash hst-install.sh
 ```
+You will receive a welcome email at the address specified during installation (if applicable) and on-screen instructions after the installation is completed to log in and access your server.
+
+## Additional installation notes:
 To perform an unattended installation using the default options:
 ```bash
 bash hst-install.sh -f -y no -e <email> -p <password> -s <hostname>
@@ -46,20 +58,52 @@ For additional installation options:
 ```bash
 bash hst-install.sh -h
 ```
-Reporting bugs & issues:
-----------------------------
+
+Installing development builds
+=============================
+To install a development build based on the latest published code, you must first have an existing installation of Hestia available. If you do not have a server configured, please install the latest stable build using the instructions above before continuing.
+
+**Development builds should not be installed on systems with live production data.**
+
+## Step 1: Download the compiler script
+```bash
+wget https://raw.githubusercontent.com/hestiacp/hestiacp/develop/src/hst_autocompile.sh
+```
+## Step 2: Compile and install the desired build:
+```bash
+bash hst_autocompile.sh --packageset <branchname> <yes|no>
+```
+**Valid options for *packageset* flag include:**
+* all
+* hestia
+* nginx
+* php
+
+For example, to install only the Control Panel itself built from the main development branch (**develop**): 
+```bash
+bash hst_autocompile.sh --hestia develop yes
+```
+
+**Important:** Updates which have been released via the Hestia package repositories and upgraded through **apt** will replace installations which use the above method. 
+
+Reporting Issues
+=============================
 If you've run into an issue with Hestia Control Panel, please let us know as soon as possible so that we may investigate further and resolve any issues in a timely manner.
 
-Bug reports can be filed using GitHub's [Issues](https://github.com/hestiacp/hestiacp/issues) feature located at the top of our repository.
+Bug reports can be filed using GitHub's [Issues](https://github.com/hestiacp/hestiacp/issues) feature.
 
-License:
-----------------------------
-Hestia Control Panel is licensed under [GPL v3](https://github.com/hestiacp/hestiacp/blob/master/LICENSE) license, and is based on VestaCP.<br>
+Contributions
+=============================
+If you would like to contribute to the project, please [read our submission guidelines](https://github.com/hestiacp/hestiacp/blob/master/CONTRIBUTING.md) for a brief overview of our development processes and standards.
 
-How to support Hestia Control Panel:
-----------------------------
+Donations
+=============================
 Hestia Control Panel is open source and completely free for everyone to use.
 
 If you would like to help our developers cover their time and infrastucture costs, or to support the Hestia Control Panel project as a whole, please consider making a donation via PayPal.
 
 [![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=ST87LQH2CHGLA)
+
+License
+=============================
+Hestia Control Panel is licensed under [GPL v3](https://github.com/hestiacp/hestiacp/blob/master/LICENSE) license, and is based on the [VestaCP](https://www.vestacp.com/) project.<br>