Entity fix

PRIZMA_Design fix
set default constructors to protected
add NuGet packages

Data - nHibernate, nHibenate fluid
PrizmMainProject - ninject
UnitTests - nUnit, Moq
lesser fix
new empty Heat form
entity constructors
Revert "add NuGet packages"

This reverts commit ab1d52ff4343eab7a656a2d52a038f789db6c3c4.
add constructors
Merge pull request #146 from olga-jane/O_Morozova

Update Forms from Mill menu
Change base entity name to Item
Merge pull request #152 from olga-jane/D_Kulish_1

Code for Mill entitys
Revert "Code for Mill entitys"
Merge pull request #153 from olga-jane/revert-152-D_Kulish_1

Revert "Code for Mill entitys"
Merge pull request #155 from olga-jane/master

Update O_Morozova