Merge pull request #528 from nabinhait/v4-hotfix

minor fix
Removed unused code from patch_handler
Fixed patch handler and update_reports method
fix in update_reports
Fixed get_user_lang
speedup clear cache during patches by clearing tabSessions
Revert "speedup clear cache during patches by clearing tabSessions"

This reverts commit a1362fd0b4b3587faeb788eddd40f530413270b1.
Patch to set language in System Settings
Set gravatar for users whose image is missing
Don't clear Actions menu on dirty, prevent mapping of doc if unsaved, downloadify fix, set global language fix
Merge pull request #532 from anandpdoshi/hotfix

Patches: Set language in System Settings, Set gravatar for missing user images, Don't clear Actions menu in App Frame when dirty and other fixes
Set report filter label while loading
update reports sort by for renamed fields
Set Custom Field's Insert After values as fieldname