Added post execute in callback.
Added always to all callbacks.
Forgot to call always on these guys.
Added example into this repo.  Made testing shell.
Adding single loader test.
Removed silly comment from tutorial.
Merge branch 'testing' of https://github.com/carrot/CREAM into testing

Conflicts:
	example/app/app.iml
	example/app/build.gradle
	example/app/src/androidTest/java/com/carrotcreative/cream/test/Runner.java
	example/app/src/main/java/com/carrotcreative/cream_example/app/activities/MultipleLoaderActivity.java
	example/app/src/main/java/com/carrotcreative/cream_example/app/activities/RetryLoaderActivity.java
	example/app/src/main/java/com/carrotcreative/cream_example/app/activities/SingleLoaderActivity.java
	example/app/src/main/java/com/carrotcreative/cream_example/app/cache/loaders/GithubUserLoader.java