Revised sample app

Revised sample application project to meet expectations, following checklist provided in project sample review. 
Not giving up :) 

-Cleaned [extra tabbing/spacing/lines]
-No SQL/DQL
-Hydrator added
-GetById added
-Form validation added
-use flashmessenger helper
-Doc Blocks added
-Mapping revised (types)
-Additional add-ons (css)