IDE-1229

- added clearAbandonedMarkers() method to clear those alive but incorrect
  markers left behind by the last unsaved closing.
- Add "a" and "b" to quick fix messages to help order quick fixes.
- Add an attribute "Location" to Liferay language properties marker.
IDE-1350
IDE-1350 Source formatting
IDE-1358

- moved newLiferayProfileOp to maven.core
- set project provider property default to maven