Fix context object for status store handlers
Merge pull request #46 from giuse88/fix-store-handlers

Fix context object for status store handlers
created first test
implemented new constants
handling action creator functions in store
Incorporated @alanclarke's suggestions
Fixed broken tests
adding test for action creator created from constant
Make it configurable to store actions.

Default to not storing. Helps solve #40
Add fetch.notFound and removing Marty#getAction