@synthesize fixes for newer Xcode
Merge branch 'master' of github.com:dwarfland/GCJumpBar
Proper support for isFlipped
Support for explicitly setting custom backgroundGradient
Support for static accessoryMessage/accessoryImage instead of accessoryMenu
Fix for flipped images
Merge pull request #3 from dwarfland/master

Various tweaks, including for flipped images, to allow the setting of static accessoryImage/Label instead of a menu, and to override the gradient, e.g to use coloring as a status indicator