Fixing a typo there is a ; where there should be a ,
removing default top position for menuBar
Changing menuBar to behavour in a similar way to the tabOverflow menu.
fixes #773 and also appears to fix the menuBar portion of #762. Tested
on Z10 and PB w and w/o BB10 styling enabled.
Merge pull request #798 from glasspear/master

Application Menu fixes