factor out the UI scaling computation from SetScalingResolution
use GetGUIScaling rather than SetScalingResolution when computing font size so as to not alter stored state
addongui: fix incorrect version in header
fix flickering video OSD
[darwin] - move isMavericks helper to DarwinUtils
[osx/mavericks] - fix autostart of movies (if double clicked and associated with XBMC or if dragged onto the XBMC app icon)
[jenkins] - use the common tarballs dir for linux32, and linux64 builds
Input: Disable Joystick Gui Setting by default
fix: CScraper: check for TiXmlElement NULL return to not pass NULL to StringUtils::EqualsNoCase(), fixes SIGSEGV crash
Merge pull request #3651 from herrnst/strutil-nullcheck

fix: CScraper: Make sure no NULL-pointer is passed to EqualsNoCase()
[jenkins] - add buildsteps for raspberry pi
Merge pull request #3625 from FernetMenta/addongui

addongui: fix incorrect version in header
Merge pull request #3652 from fritsch/joystick-disable-by-default

Input: Set Joystick's Gui Setting to disable by default
Merge pull request #3643 from FernetMenta/osd

fix flickering video OSD
[substr] ensure position is within range
[date/time] validate strings prior to taking substr()
[infotypes] improve validation of strings
[cddb] improved string validation
[networkosx] improve validation of commandline return strings
[cosmetic] adds comments regarding assumptions of string format