Merge pull request #8472 from jmcanterafonseca/fb_connector_refactoring

Bug 845777 - Refactor FB import to use the new generic importer and conn...(cherry picked from commit 23988798926386a3f9048bddf5000c41f4d088c4)
Bug 848820 - Implement Contact Settings to enable import from GMail and Hotmail
Merge pull request #8175 from jmcanterafonseca/bug_842268

Bug 842268 - Even if scripts are not fully loaded Lazy loader may incorr...(cherry picked from commit 91c265fc9b1442c67c3abc3e39497c292412a09c)
Merge pull request #8460 from albertopq/contacts-842574

Bug 842574 - Use the shared LazyLoader component in Contacts App r=jmcantera(cherry picked from commit 0910ff5baddd4a3d4cde499d569e8fbe7faf2116)
Bug 852036 - [Buri][Contacts]APP crash when scrolling through hundreds of contacts
Bug 846262 - stop inline activities while lockscreen is locked
Merge pull request #8850 from alivedise/bugzilla/846262_v1-train

Bug 846262 - stop inline activities while lockscreen is locked, r=timdream
Bug 826249 - Increase gallery exposure control responsiveness r=djf(cherry picked from commit a28105c34ae2b5f879e76894b8d69f5c2d1f78be)
Merge pull request #8853 from davidflanagan/bug826249-v1-train

Bug 826249 - Increase gallery exposure control responsiveness r=djf(cher...
Bug 848625 - make image editing work after orientation changes r=djf(cherry picked from commit 3010edd727863a657a3ef784ed7cbce4844e5c4a)
Merge pull request #8854 from davidflanagan/bug848625-v1-train

Bug 848625 - make image editing work after orientation changes r=djf(che...