style edits and use macro for prefix check


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@60496 954f8c5b-7b00-dc11-b283-0030488c597c
OSX/keys: change to OSX conform cmd-a for 'select-all' in text(-boxes)

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@60497 954f8c5b-7b00-dc11-b283-0030488c597c
fix regression - convex hull tool leaving new faces unselected.


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@60498 954f8c5b-7b00-dc11-b283-0030488c597c