Hide quoted text from tickets

It consider line starting with > sign as quoted text. It will hide them
and place an anchor in place of them. Clicking the anchor will show them
Converting from anonymous function to a method

This is to maintain backward compatibility with PHP 5.2
Using jQuery variable instead of $
Rebuilding minified resources
Merge pull request #186 from VarunAgw/quote-incoming

Hide quoted text from replies.
Checking both CR and LF for enter key press
Solving jQuery-$ mix issue

Now we will only use $ everywhere other than main document.ready function
Rebuilding minified JS resources
Auto-resize reply box height dynamically

A jQuery plugin is used: https://github.com/jackmoore/autosize

Fixes #159
Showing last modified tickets instead of recently created tickets

Fixes #187
Renamed "Recent tickets" widget

Now it is "Last Updated tickets"
Rebuilding minified resources
Add option to toggle of "Insert sign" checkbox in ticket page
Moved cron related actions as static methods
Merge pull request #192 from VarunAgw/dashboard-widget

Mark tickets as old based on modified time rather than created time.
Using disabled function to create disabled attr
Revert "Auto-resize reply box height dynamically"

This feature is now transferred to its own new branch
This reverts commit 097a0aae44fa699991f6af67da80060606e08a7e.
Merge pull request #191 from VarunAgw/ctrl-enter

Enable ctrl-enter submission on Unix-based operating systems.
Merge pull request #194 from VarunAgw/preference

Add an option to control whether signatures are added by messages by default.
WordPress not determining correct count of tickets using a tag

It is causing get_terms('hide_empty=1') to return nothing as it is always
0