Merge pull request #28 from Altal/local.sergey

Local.sergey
Merge pull request #29 from Altal/local.sergey

Local.sergey
Merge pull request #30 from Altal/local.sergey

Local.sergey
Merge pull request #31 from Altal/local.sergey

Local.sergey
board model class added
model for board
dal for board
namespace refactoring, dal for columns of the board
migration added for board columns
more dal options for board column
more midrations and DAL
mock for boards added
board mocks improved
more db reset logic fixed
base level for boards implemented.
mock data