Remove emulator from L preview bit.
Fixed a string comparison.
Replace .commit() with .apply() in PrefUtils.java

Fix according to issue #20
Change plugin to 'com.android.application' and bump build tools version
Merge pull request #24 from seewes/patch-1

Replace .commit() with .apply() in PrefUtils.java
Merge pull request #18 from tjohns/master

Restore scripts/wait_for_emulator.sh
Merge pull request #21 from Lukas-Stuehrk/FixStringComparison

Fixed a string comparison.
Merge pull request #17 from yelinaung/master

Change plugin to 'com.android.application' and bump build tools version
correct translation of string decline in zh-rCN
Merge pull request #34 from WonShaw/master

correct translation of string decline in zh-rCN
Update Travis CI configuration

- Include SDK v20 for Wear support.
- Switch to build tools v20.