Merge branch 'release/v2.2.1' into develop
Initial bumps for v2.2.2
Corrected version file
Cleans up find_help.php script now allowing parameters from browser or cli in addition to some other fixes
Minor updates
Updates some Facebook view config names to conflict less with some theme styles
Enforce some system settings in the comment update method to help prevent spamming?
Moves many $db ref's from controller into model [#713 milestone:2.2.2 responsible:dleffler]
Initial support for nested help topics, only support 2 level help (parent/child), adds help sidebar view [#973]
Adds error-reporting to quick-add uploader [#1062 state:resolved]
Adds max file upload size check to install/upgrade...warns if settings don't match [#1063 state:resolved]
Displays error (red text) if file added to uploader is too large to upload, along with appropriate server response message when that upload fails [#1066 state:resolved]
Fixes search indexing adding new duplicate records instead of updating existing records in help & store/product controllers [#1060 state:resolved]
Updates some code to use existing subsystem functions
Updates system fallback theme
Update iCalCreator to v2.18
Adds optional Tweet button support to News module
Changes logic for page meta description if not specifically set in the item SEO tab...we now 1st use the item meta description, and if not present, use a summary of the item body, then default to the site description...this will allow shared links on facebook (and other seo crawling sites)  to better pull in the summary automatically
Adds missing like/tweet buttons to filedownload show view
Changes 'summary' views to display full 1st para of full text with markup (images?)