create empty files for initial task manager
added jack button to example module
use single IModel interface
Adding Jack's button
Adds Peter button, changes the pop up message
Merging Peter's button
Merge branch 'dev-gradle' into task-manager-base
Updating task-manager-base to most recent version of dev-gradle.
This is a great thing to do every once in a while - it reduces merge conflicts when we integrate it into dev-gradle.