Bug 938967 - [fugu][hamachi]The video had be sought to 00:00 could not be played from background to foreground
Bug 941694 - [Download Manager] New library to store the complete downloads
Merge pull request #13824 from huchengtw-moz/video/Bug_938967_00-00_is_not_handle_correctly

Bug 938967 - [fugu][hamachi]The video had be sought to 00:00 could not b..., r=djf
Bug 897325: Part 2 - support preloading app from marketplace
Merge pull request #13949 from crdlc/bug-datastore-download

Bug 941694 - [Download Manager] New library to store the complete downlo...
Bug 929919 - [Messaging] getThreads optimization r=julienw
Merge pull request #13978 from yurenju/minilla-marketplace

Bug 897325: Part 2 - support preloading app from marketplace  r=@ochameau
Merge pull request #13903 from borjasalguero/performance_getthreads_mall

Bug 929919 - [Messaging] getThreads optimization r=julienw
Revert "Bug 940949 - [e.me] Change placeholder in search field [r=ranbena]"

This reverts commit 1517065b4a7155b738b3a5714a829a71df4be220.