add generic Wrapper for enumerations
Merge branch 'master' into sidorov_MillStatusAsEnum

Conflicts:
	src/PrizmMainProject/Forms/Railcar/NewEdit/ShipRailcarCommand.cs
	src/PrizmMainProject/Properties/Resources.resx
pipe mill status have been implemented as enumeration
remove non generic wrapper, fix u-test
add EnterPress and DoubleClick events for search pipe form
add pipesSearchResultView.SetRowCellValue for search grid
add xml comments for EnumWrapper
Merge branch 'master' into sidorov_MillStatusAsEnum

Conflicts:
	src/Domain/Domain.csproj
	src/PrizmMainProject/Properties/Resources.Designer.cs
update according to remarks
Merge pull request #262 from olga-jane/sidorov_MillStatusAsEnum

Sidorov mill status as enum