add generic Wrapper for enumerations
user yes/no, yes/no/cancel dialogs
refactor int to sbyte
Merge branch 'master' into sidorov_MillStatusAsEnum

Conflicts:
	src/PrizmMainProject/Forms/Railcar/NewEdit/ShipRailcarCommand.cs
	src/PrizmMainProject/Properties/Resources.resx
Merge pull request #260 from olga-jane/master

Update O_Morozova_UI
pipe mill status have been implemented as enumeration
remove non generic wrapper, fix u-test
add alertControl
implement alert
new railcar button
Visual changes (main menu)
add EnterPress and DoubleClick events for search pipe form
refresh search form on activate
add alerts for command
update visual changes (main menu)
add pipesSearchResultView.SetRowCellValue for search grid
main menu update
split ShowAlert to ShowSuccess & ShowFailure
surround command with try/catch and add notify showfailure
fix argument and UnitTest