initial security configuration added
Returned to basic entity model with rich relationships + Sign In
Merge pull request #15 from VladPrytula/master

master
Returned to basic entity model with rich relationships + Sign In2
Merge branch 'master' of https://github.com/Inviti/inviti
Merge pull request #16 from VladPrytula/master

master
Returned to basic entity model with rich relationships + Sign In2
Merge pull request #17 from VladPrytula/master

Returned to basic entity model with rich relationships + Sign In2
Merge branch 'master' of https://github.com/Inviti/inviti
Roman's patch