Middle mouse button click on a Document tab closes the Document that was clicked. (Original code from Ralf Jablonski but modified to close the Document that was clicked) (merged from dev 2.4 branch)
Middle mouse button click on a Document tab closes the Document that was clicked. (Original code from Ralf Jablonski but modified to close the Document that was clicked) (merged from dev 2.4 branch)

git-svn-id: dea0e26cebe12643f3180c2c69384aa256c684b6@96 764a741f-c628-0410-a7dc-abe640748d39

yolanother/DockPanelSuite