fixed ignoring of sencha_backup folder
upgraded app to sencha cmd 4.0.4
fixed leaflet library access with window.L
fixed another leaflet library access bug
upgraded sencha cmd to 4.0.4.84
clear localStorage if needed (cmd 404 upgrade fix)
new production build
Merge pull request #78 from kort/cmd404

Upgrade to Sencha Cmd 4.0.4.84
added cordova support
replaced cordova with phonegap
added phonegap build
implemented isnative condition
fixed phonegap permissions