Fixes a few issues with the rich text editor, international characters, Collaboration System, various other issues, and one security bug.

Changelog:

 - security: A problem was discovered and fixed in which users could email executable attachments to a collaboration system and then when viewed online, could execute them. We recommend immediate upgrade for all 7.x users.
 - fixed #8879: SEO Flaw in New Shop System
 - fixed: WebGUI::User now actually checks whether the friends group exists (Martin Kamerbeek / Oqapi)
 - fixed: Rich editor creates root <p> tag even when set to use <br />
 - fixed #9039: Synopsis not output as a meta field
 - fixed #9132: usage error in Hover Help
 - fixed #4181: hoover help for 'encrypt login' is wrong
 - fixed #4186: search results (macro not expanded in the synopsis field)
 - fixed #4191: Using 3 consecutive tildes in a Post title makes a bad URL/Pos
 - fixed #8927: Collaboration System: Thread approval workflow setting ignore
 - fixed #8827: Slider JS bug for non-numeric values (Patrick Donelan, SDH Consulting)
 - fixed #8801: invite a friend
 - fixed #8925: Collaboration System: Label missing
 - fixed #8908: No Post Captcha in Default Submission Form
 - fixed #9138: Fat fonts break WebGUI captchas
 - fixed #8982: Deploy package doesn't take back to asset manager 
 - fixed #8956: Not checking for populated variable
 - fixed #4213: Can see "edit" tab even tho i am not logged in
 - fixed #9139: Updating a workflow property causes workflow to be disabled
 - fixed #9140: Date format error when adding tasks to PM
 - fixed #8800: Errors in POD of Asset-related mix-in modules (Bernd Kalbfuß-Zimmermann)
 - fixed #9143: Yes No user profile fields problem when default == 1
 - fixed: Adding a file extension for URLs in the system settings now properly affects newly created Assets.  It still does not update existing asset URL's.
 - fixed #4159: more menu doesn't appear for current asset on crumb trail
 - fixed #9112: Thingy View Thing screen doesn't preserve newlines
 - fixed #9177: Wide-characters break product varients
 - fixed #4209: i18n in Rich edit in Dutch breaks
 - fixed #9196: Shelf lacks pagination
 - added an epochDate field to the template for CS RSS items. The 2/12/2012 1:15 pm +  macro can then format the epoch date. 
 - fixed #4208: EMS badges with Admin security visible to all
 - fixed #9170: 7.5.35, RTE is broken
 - fixed #8858: Calendar: copying asset creates version tags
 - fixed #8775: Miscount in number of replies in CS Thread (Martin Kamerbeek / Oqapi)
 - fixed #8792: Image Preview gives ERROR in Collateral Manager
 - fixed #8774: Forum Rich Edit no longer supports indent/outdent
 - fixed #9212: WSClient Undefined Array Ref w/ PATCH (HD Publishing Group, Inc.)
 - fixed: international characters are corrupted on export
 - fixed: filtering of rich text areas very slow for large content
 - fixed #4173: fieldnames in profilefields can contain spaces