[#9129] Add refreshURIs call as part of clearing the site cache
Adding event to the middle mouse button click.

This is a continuation of https://github.com/modxcms/revolution/pull/449 in another realization. 
And prevent changes in the current window
Fix unescaped backslash in file and image TV

Fix for #9526: http://tracker.modx.com/issues/9526
Add upload functionality directly to package manager grid
remove commented-out line for ocd
Add new processor to allow custom core_path location
Restrict upload to zip only, and switch to new processor
Added OnElementNotFound system event
CSS Twerks

Un-uglifying the required/invalid input state (now uses red border and
font awesome icon)
Adjusting x-panel table header hue (to $darkNeutral)
removing legacy green buttons in package manager (now $primary)
retina-tizing x-btn-split (Download Extras button)
uberbar result hovers (%nav-item)
Help Page Improvements

Retina CSS MODX Help Logo
Primary Action styling on sign up button
Fix error with package management caused by #691
Add preg_quote to friendly_alias_word_delimiters characters

This allows you to add / as a friendly_alias_word_delimiter without breaking the regex
- Show events on new plugin page
- reverted last commit, as already fixed
Corrected some German phrases

Minor changes, mostly concerning formatting
Corrected two phrases in German setting.in.php

Somehow I got this mixed up...
http://bugs.modx.com/issues/10267

Content Disposition „Attachement“ -> Filename shows two dots (e.g. file..txt).
Property Set Tree Bug Fix
Template Variable Vertical Tab Fixes

fixes pixel jumping and missing border