Added contributing instructions.
Bump version to 0.3.4.
Added another option to readme to get syncthing binary.
Bumped version to 0.3.5.
Use "official" path for persistent data

Note: This causes the first start dialog and "generating keys" message to
be shown on first start after update, but all data is actually preserved.
Merge branch 'master' of github.com:Nutomic/syncthing-android
Merge branch 'MStrecke-savemeplease'
Added support for API keys introduced in syncthing v0.8.14.
Bumped version to 0.3.6
Part of fix for #18 on Gingerbread - call Looper.prepare() to set up the thread.
Fix for #18 - correctly pass the HOME environment variable in to the syncthing process.
Merge branch 'gingerbread_home_threading_fixes' of git://github.com/chr15m/syncthing-android
Fix crash on start after improper shutdown (fixes #16).

Conflicts:
	src/main/java/com/nutomic/syncthingandroid/syncthing/PostTask.java
	src/main/java/com/nutomic/syncthingandroid/syncthing/RestApi.java
Add missing change from previous commit.
Update build tools.
Add syncthing preferences to app settings.
Added "restart" notification.
Cancel restart notification on shutdown, minor refactoring.
Moved SettingsActivity and WebGuiActivity to gui folder.
Preferences code cleanup.