MAINT-3356 GPU Table update to support Retina MBP 'Intel Iris OpenGL Engine' driver id on Mavericks.

MAINT-3193 FIXED crash with LLControlCache<bool>::LLControlCache: Control named RenderAutoMuteLoggingnot found.

Last minute suggestions for IvyBridge Intel 2500 and nVidia 400 series expected GL settings from TankMaster Finesmith

Try all you want multichar constant, but you'll never be a string to me! (fix mac build errors from 'curious' filepicker literals)

BUG-3982 add code to subtract the lack of not removing the removal of backfaces for particles (make particles render double-sided again)

made change to include channel name in the settings_install.xml file generated. changed so that sourceid is not part of a list of options pulled into that file, along with the channel

STORM-1950 more suggestions from TankMasker Finesmith about not including SandyBridge Intel GPUs in driver nagging and updating the expected GL version for 500 series or better nV to get 327.23 driver nagging

MAINT-3152 FIXED [MAINTENANCE RC] Confusing naming of Lighting and Shadows/Advanced Lighting Model options in graphics preferences

changes for additional packages to be packaged from the same build. see BuildParams for example environment variables used to specify the packages and their channels and sourceids. also updated mac packages to use a larger virtual drive and auto-open on download

MAINT-3107 speculative changes to try to ameliorate rigged crasher on Intel HD with crappy default driver

MAINT-3133 FIXED Expand Nearby Chat participant list on first open of Conversations floater, per login session