Merge pull request #6997 from jmcanterafonseca/fix_821231

Bug 821231 [Facebook] While importing a large number of contacts the pro...
Bug 820778 - [Facebook] Performance in link and import lists of friends should be better [r=jmcanterafonseca]
Merge pull request #6971 from crdlc/fast-import-fb

Bug 820778 - [Facebook] Performance in link and import lists of friends ...
Bug 818512 - Can still toggle Facebook import while importing SIM contacts. r=arcturus
Bug 816448 - [App Install] Handle errors during app download & install r=etienne

Add different error messages for different errors. The messages are still
generic but all the keys are present in locale so this may change if necessary
without a change in the code.

Also, the actual error name is displayed in logcat at the INFO level, so that a
developer could know what really happens.
 Bug 816448 - [App Install] Handle errors during app download & install a=tests

Follow-up for the tests: a comment was not removed, and moved some tests so that
they're run only once.
Bug 803328 [Browser] Set final default bookmarks
Merge pull request #6958 from fcampo/ftu_import_icons

[816466] [FTU] Icons needs to be in import screen (r=borjasalguero, l10n-r=Pike)
Fixed build so it honors manifest.type on appStatus on the webapps.json
Review nit changes
Forgot instalen :(
Merge pull request #6968 from AntonioMA/fixAppStatus

Fixed build so it honors manifest.type on appStatus on the webapps.json
Bug 821414 - Keyboard disappear when tapping on send button r=vingtetun
Merge pull request #7003 from ochameau/sms-send@821414

Bug 821414 - Keyboard disappear when tapping on send button r=@vingtetun
Bug 821256 - can't remove a failed download from homescreen r=julienw
[819997] Bogus string and sync texts with settings
Merge pull request #6977 from fcampo/about_firefox

[819997] Bogus string and text sync with settings (r=+ Pike)(a=bb+)
Fixed scroll position in contact form show functions
Bug 796465 - Handle timezone information from the server. r=kgrandon
           - add the capability to reload when timezone changes on
             device.
           - fix html escaped templates returning null.
Merge pull request #7005 from lightsofapollo/calendar-timezones

Bug 796465  - Calendar Timezone support