remove old inline hotkey definitions. All key definitions should come
from the hotkeys text file now.

osx: support for alt+= keysym
There is some init code that relies on finding at least one inline
hotkey definition to setup X input properly. Until that code is found
and made non conditional then a single hotkey must be inlined (I
choose FontView Quit) so that the init code is always run.
Merge pull request #705 from monkeyiq/2013aug/osxhk2

Hotkeys cleanup, remove many of the inline definitions and more keysym help on osx.