Fix bugs and increase version

Bump the version number to 3.0.1 to signify the bugs that have been
fixed.

Bugs fixed:
Bug: 96
Bug: 97

Change-Id: If636f254831d4bce0a32e9ef8304a804af52306b
Minor layout updates

Increase adherence to Android's design guidelines

Change-Id: Iab19d276074dde2c99504aff8254b46a90c336a9