fix session retry issue
Fixed searchbar lazy load caret position
Bug 914875 hid collection and improved panning fps [r=crdlc]
Merge branch '914875-homescreen-perf' of https://github.com/EverythingMe/gaia into 914875-homescreen-perf
Merge branch '914875-homescreen-perf' of https://github.com/EverythingMe/gaia into 914875-homescreen-perf