Fix for System.open_url

The following lines of code need to be added to support iPad 2. Without these lines, iPad 2 crashes on iOS 6 when trying to open the list of available apps to open the file with. This is to support opening files in other apps if file preview cannot read it.
First commit for NewORM
Merge branch 'master' of https://github.com/rhomobile/rhodes into neworm_dev
Merge branch 'master' of https://github.com/rhomobile/rhodes into neworm_dev1
Incremental change #1, neworm_dev1 branch should be merged with neworm_dev
Merge branch 'master' of https://github.com/rhomobile/rhodes into neworm_dev
Merge branch 'master' of https://github.com/rhomobile/rhodes into neworm_dev1
Android: Build with libgnustdc++ instead of stlport [#60343726]
Merge branch 'master' of https://github.com/rhomobile/rhodes into neworm_dev1
Adding switch to neworm + implementing blob, freezed, etc.
Mergin with master
Merge branch 'neworm_dev' of https://github.com/rhomobile/rhodes into neworm_dev1
generator: support callback property type in javascript
android: add comment about MethodResult.hasCallback usage
Merge pull request #205 from rhomobile/support-callback-property-type

generator: support callback property type in javascript
res/generators/templates/iphone_project/Rhodes/Rhodes.xcodeproj/project.pbxproj: all '<%= rhodes_root_path %>' macros were enclosed in double quotes.
restore NFC extension
fix NFC ext.yml
android: fix isCallback behavior
js bridge: fix