Fix plugin.xml -- needs framework tag; requires android 4
Add script to download Crosswalk library
Fix the white flash issue when apps pause and resume

onShow() and onHide() are called by XWalkView internally.
Fix engine declaration to only apply to Android
Update to XWalk 8.37.188.0
Merge branch 'master' into plugin_with_arm_binary
Fix plugin.xml broken by merge
Update fetch_libs.sh to get Crosswalk 8.37.189.0
Install build.gradle file after downloading libraries
Merge branch 'master' into plugin_with_arm_binary
Update to Crosswalk 8.37.189.0
Don't pause timers when app is backgrounded.
Merge pull request #7 from agrieve/master

Don't pause timers when app is backgrounded.
Merge branch 'master' into plugin_with_arm_binary
Update XWalkCordovaWebView for whitelist changes in Cordova-Android 4.0.x (CB-7291)
Merge branch 'master' into plugin_with_arm_binary
Handle activity resume from file picker properly
Merge branch 'master' into plugin_with_arm_binary
Use Cordova-defined SDK and build tools versions
Merge branch 'master' into plugin_with_arm_binary