Added Android articles to guides section
Group android user guide
Added title on Android Pipe guide
Add links to api on android pipe guides
Add links to api on android pagination guide
Add links to api on android store guide
Add links to api on authentication guide
Updating docs for clarity
Remove unecessary menu on android custom pipe guide
Formmating android custom pipe guide
Fix compilation parse on android custom pipe guide
Changed custom pipe guide to show JSON result in ListView
Added NetBeans getting started
Fix android store guide
Added Images to the NetBeans guide
Updated Javadoc