Fixes #55

The PushContact* files should be renamed at some point, but as we're
still trying to keep upstream compatibility, they can stay like this for
now.

Full fix may require packaging and using our own SQLite via JNI. Needs
further investigation.

Fixes https://github.com/WhisperSystems/TextSecure/issues/2506
Closes https://github.com/WhisperSystems/TextSecure/pull/2843

// FREEBIE

Signed-off-by: Carey Metcalfe <pR0Ps.CM@gmail.com>

Closes https://github.com/WhisperSystems/TextSecure/pull/2830

// FREEBIE

Signed-off-by: Carey Metcalfe <pR0Ps.CM@gmail.com>

Closes https://github.com/WhisperSystems/TextSecure/pull/2826

Signed-off-by: Carey Metcalfe <pR0Ps.CM@gmail.com>

1) Enter key by default (remove as option), still
   keeping "Enter key sends" option

2) New material assets for emoji and keyboard icons,
   inc a xxhdpi version finally

Fixes https://github.com/WhisperSystems/TextSecure/issues/2300
Fixes https://github.com/WhisperSystems/TextSecure/issues/2251
Fixes https://github.com/WhisperSystems/TextSecure/issues/2183
Fixes #30

Closes https://github.com/WhisperSystems/TextSecure/pull/2302

// FREEBIE

Signed-off-by: Carey Metcalfe <pR0Ps.CM@gmail.com>

https://github.com/WhisperSystems/TextSecure/commit/c04b675a1a24a6247ac955af3a07ce74c61be456

https://github.com/WhisperSystems/TextSecure/commit/e70298e6244dbfd6e1f7fe16a809136f25051dab

Import backups from TextSecure

To ease migration, importing a backup will look for the SMSSecure backup
first, and fall back to the TextSecure backup if it's not found.

Fixes #18.

Fix build when git isn't available

Fixes #49

Closes #38

Add an About-Page

New Mms API

Build gradle-witness from source

Do not display versionCode because it is always the same as versionName.