Merge pull request #141 from dshurt/master

STORE-167 Data/Services
Merge pull request #142 from dshurt/master

Adding constants for validation
Merge pull request #143 from dshurt/master

Add the structure for the core set of  services
Added the lower level models to the openstorefront model jpa
Changes that were important for the admin tools. Saving this for later.
Merge branch 'master' of https://github.com/di2e/openstorefront
Adjusted package setup and fixed a few classes.
Merge pull request #144 from Jedwondle/master

Adjusted package setup and fixed a few classes.
Working on api
merge with master
Added storage models and adjusted