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
Input: Disable Joystick Gui Setting by default
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
[videodb] fix query in GetMusicVideoAlbumsByName
[cosmetics] adds TODO:STRING_CLEANUP to various places in the code that could do with a spring clean
Merge pull request #3654 from jmarshallnz/substr_fixes

Validation substr() usage prior to plowing ahead.
[pvr] bump add-ons (fix version of addon.gui)
FIX: [stagefright] proper SurfaceTexture allocation
FIX: [stagefright] fixes and refactors (probable fix for 60min stuttering)