Merge pull request #1283 from lzhan/next

Add prs/commits/features/fixes in develop branch to next branch
Adding merged files for cherry pick.
Fixed conflicts.
Adding first six apps for dashboard tutorial.
Updated mojits app.
Updated the mojit instances in the app.json.
Modified first three apps to conform with latest version of Trib.
Adding composite module app.
Adding module on getting data.
Added the mojits from the last module.
Added three apps.
Fixed tests for testing module.
Deleted vi backup files and an unused model.
Updated the composite mojit example.
Added boilerplate model and removed model that will be created in next module.
Updated app for composite mojits for tutorial.
Updated Twitter mojit to call the Twitter API or use mocked data.
Updated Body mojit and updated test for Gallery mojit.
Removing Gallery mojit.
Updated app, fixed tests.