Fix ACL task type assignment.
Update SDK to latest version.
Fix send message fragment to send push message with content-available=1.
Fix MessageTemplateLoader to send push message with content-available=1.
Merge pull request #9 from KiiPlatform/f/contentAvailable

Update application to enable background notification for iOS7.
Update SDK to latest version.
Remove FileBucketPushFragment due to KiiFile was marked as deprecated.
Add JPush SDK to libs directory.
Update setup scripts to manage JPush configration.
Update sample application to install/send/receive message with JPush.
Update .gitignore.
Fix GCM/JPush registration assertion when operating bucket/topic.
Add custom_rule on build

Replace JPUSH_APPKEY on build.
Add description about JPush Settings.
Remove keys.
Fix AndroidManifest.xml to remove redundant permission.
Fix to MessageTemplateLoader to load JPush message JSON.
Fix setup_push.py script to send message for JPush.
Introduce JPushBroadcastReceiver to receive JPush/GCM message with properly permission.
Update SDK version to v2.1.26.