Small refactoring of the qa_set_up_category_field function
Removed some unneeded ternary operators
Changed a few qa_db_read_all_values into qa_db_read_one_value
The search box and the search button now are properly aligned
Removed unneeded join and removed 18 unneeded fields from query
User can send an HTML notification without having to rewrite the whole logic
Upgrade WYSIWYG plugin (CKeditor)

Now using CKeditor 4.3.3 via lightweight custom build.
Upgraded wysiwyg-editor to use PHP 5 code.
Closes #5.
Upgrade PHPMailer

Now using PHPMailer 5.2.7 and its autoloader.
Moved to ‘vendor’ folder and deprecated old qa-class.* files.
Closes #6.
Merge branch 'pr/39' into dev

Fixes #39
Exclude period at end of URL
Add new 'u_points' event for plugins to listen

Submitted by @pupi1985. Closes #16.
Add userid affected on vote event.

Submitted by @pupi1985 in #17.
Move ask page similar questions into theme

Plus new function q_title_list for generic list of question titles.
qa-ajax-asktitle coding style
Refactor qa_html_theme_base for PHP 5
Refactor various classes for PHP 5

Add public/private etc.
Refactor plugin classes for PHP 5
Clean up debugging styles, prevent horizontal scrollbar
Link title on question page; add [closed] indicator
Switch bool castings for expressions