Add Travis file
Add Travis file

...but I'm not a repo admin so can't enable the integration yet.

KeepSafe/dexcount-gradle-plugin,MaTriXy/dexcount-gradle-plugin,MaTriXy/dexcount-gradle-plugin,benjamin-bader/dexcount-gradle-plugin,benjamin-bader/dexcount-gradle-plugin,MaTriXy/dexcount-gradle-plugin,MaTriXy/dexcount-gradle-plugin,benjamin-bader/dexcount-gradle-plugin,KeepSafe/dexcount-gradle-plugin,MaTriXy/dexcount-gradle-plugin,KeepSafe/dexcount-gradle-plugin