IDE-1463 Removed all @Ignore tests

Also refactored project.core test plugin to support proper execution
of all the tests included in the test suite.
IDE-1452 update the custom location when plugin type and build
type(project provider) got changed
IDE-1461 catched the error caused by the unsupported class version
Fix maven junit tests errors
IDE-1464 completely remove jna-4.0.0 libraries and instead use JDK1.6 method
Fixed PortalValueLoader failing unit tests
Fixed failing unit tests
Fixed failing NewLiferayPluginProjectOpBase unit test
IDE-1442 maked new project wizard shorter and added two options

- used a dropdown list to display plugin types
- add two options: create new portlet and include sample code, for portlet
  and service builder project