Avoid log cookies
Back to save cached SimpleDateFormat instances to parse dates from server, to avoid huge performance problem in Android 2.x devices
Removed unused methods from WebdavUtils
Fully disable cookie tracking by default, as before introducing OwnCloudClientManager; only SingleSessionManager tracks cookies
Enforcing Travis retry without changes
Merge pull request #33 from owncloud/release-0.9.2

Release 0.9.2
Update RemoteOperation.ResultCode to include enum value for FORBIDDEN results
Update ErrorMessageAdapter class to generate appropiate error messages for operations failed due to lack of permissions (ResultCode.FORBIDDEN)