sync: do not hold manager lock.
Add joda lib to proguard config.
v1.0.0-b32
Delete recent users tab.

Closes #20.
Update third-party licenses.
PourInProgress: declutter progress fragment, moving shout/done button back to right side.
preview: resize height to match width when height is given as zero.
Event list: refresh views periodically.

Closes #7.
Catch exceptions while opening camera.

Some platforms throw a RuntimeException during open(), which is wonderful.
auth: clear cache on stop.
Add styles; improve layout for smaller devices (nexus 7).

Addresses issue #22.