IDE-1367

note:
1.added validation check for runtime combox.
IDE-1261
IDE-1261

Notes:
1.added addtional logic in PluginsSDKProjectRuntimeValidator to create new
marker while a SDK project missed SDK configuration
2.added a new resolution to resolve this issue
3.added a link in project property page to let user can resolve this
issue.
4.added new unit test class to check the whole function except the UI
section.