Remove unused const from llpanellogin.cpp
Removed an unused bool in fspanelprofile.h. This was removed upstream by Cinder Roxley on Oct 12, 2013 as part of a bigger commit.
Update viewer version to 4.2.2
Remove two unused const from llmeshrepository.cpp that was added from FS as a larger graft tweak in 2014, but where the code consuming them was merged out later.
Remove unused MAX_ITEMS from llgiveinventory.cpp which was made obsolete by a merge on 07-05-2014
Set duckduckgo as the default homepage for the internal browser.
Added modifier key MAC_CAPSLOCK_KEY to llkeyboardmacosx.h.
Build fix for DRTVWR-418