[ALOY-603] Support child elements for <Widget> and <Require>
fix missing parent symbol for <Require> and <Widget>
fix button image for iOS < 7.0
Merge pull request #258 from appcelerator/ALOY-603

[ALOY-603] Support child elements in <Require> and <Widget> elements
[ALOY-861] add args to generated controllers
Merge pull request #259 from appcelerator/ALOY-861

[ALOY-861] add args to generated controllers
[ALOY-863] don't write to apiName property in Mobileweb
Merge pull request #260 from appcelerator/ALOY-863

[ALOY-863] don't write to apiName property in Mobileweb