Fixed Bash Tag suggestions output being broken.

Closes #193.
Updated how games are handled in settings window.

* Game menu now gets updated when settings are changed to reflect any
changes in games available.
* The current game can no longer be deleted in the settings window.
* Changing game settings updates rather than replaces existing entries
(fixes #199).

Also removed a few unused wxIDs.
Updated versions of Boost and libgit2 used.
Enabled Large Address Aware flag.

It doesn't seem to cause any issues in my testing. Closes #198.
Removed unused definition.
Merge branch 'master' into cef-implement

Also updated README.md to reference CEF trunk.

Conflicts:
	README.md