Fix issue with weird exiting animation from conversation

Fixes #1312
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Add a TrustManager that blacklists via serial numbers.
mark auto-fallback to sms as forcedSms
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group and contact list fixes

1) Updating a group without changing the avatar will keep that
   avatar

2) Prohibit adding non-push users to an existing push group

3) Add Android contacts to the same database. Takes a small amount
   more time and memory, but allows queries to not be a hack, and
   enables us to dedupe numbers in JB and higher devices.

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ShareActivity, destruction of RecipientsPanel

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use normal means to set actionbar icon

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Update ActionBar title on language change

Fixes #1329
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Merge pull request #1324 from mcginty/actionbar-cleanup

use normal means to set actionbar icon
fix old code breaking build

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Merge pull request #1339 from mcginty/broken-build

fix old code breaking build
Updated language translations.
Bumping version to 2.0.7