[[ Bug 13568 ]] Make sure that pressing undo (cmd+z) twice when using paint tools, the second undo undoes the first one.
[[ Bug 13526 ]] Fix spurious stack move message when releasing mouse button while dragging window
[[ Bug 13522 ]]  pull down menus do not work properly in modal dialogs
[[ Bug 13539 ]] menuPick not triggered under certain conditions
[[ Bug 13555 ]] keydown event not getting passed to mainstack in modal dialogs
[[ Bug 13432 ]] Output to the cgcontext as a single operation when redrawing the window.
[[ YosemiteUpdate ]] Update the way MCmajorosversion is built for Mac
Merge remote-tracking branch 'sebastien/bugfix-yosemite_version' into develop
Merge remote-tracking branch 'ian/bugfix-13432' into bugfix-13432
Merge remote-tracking branch 'sebastien/bugfix-13555' into bugfix-13555
Merge remote-tracking branch 'sebastien/bugfix-13539' into bugfix-13539
Merge remote-tracking branch 'sebastien/bugfix-13522' into bugfix-13522
Merge remote-tracking branch 'ian/bugfix-13526' into bugfix-13526
Merge remote-tracking branch 'panos/bugfix-13568' into bugfix-13568
Merge branch 'bugfix-13432' into develop
Merge branch 'bugfix-13555' into develop
Merge branch 'bugfix-13539' into develop
Merge branch 'bugfix-13522' into develop
Merge branch 'bugfix-13526' into develop
Merge branch 'bugfix-13568' into develop