add save menu item and events;
Merge branch 'master' of
https://github.com/biosemantics/matrix-review.git

Conflicts:
	pom.xml
	src/main/java/edu/arizona/biosemantics/matrixreview/client/MatrixReviewView.java
	src/main/java/edu/arizona/biosemantics/matrixreview/client/MenuView.java