Blender Git Loki

Macro operator properties using property groups in groups (initial code by brecht).

Works correctly with menu, keymap definitions and keymap export/import.

Properties set in the macro definition overwrite those set by the user (there's no way to see that in the UI at this point).

MISSING: Python operator calling code to fill in the properties hierarchy.

Also contains some keymap export changes by Imran Syed (freakabcd on irc): the exported configuration will use the name of the file and the exported script will select the added configuration when ran.