using jni based to WAR Android L issue
add missing files
update travis
update travis
update travis
reduce the apk size
Fix all our own issues.

Waiting for Android's official fix for their broken NAT implementation.
fix a build issue
fix a overflow bug
update travis
refine the commands
fix #100
refine #100
refine #100
Update .travis.yml
update travis
Update .travis.yml
update sbt
revert sbt
Merge branch 'master' into jni

Conflicts:
	.travis.yml