Fixed syntax error

This is what I get for not correctly reloading the Python file.
Merge the two nose plugins
We don't currently use images.
Move samples/ to old/
Move po/ to old/
More useful information in HACKING.
Removing obsolete nose_locator_sample.py
Add Kevin, Heidi, and myself to MAINTAINERS
Consistent naming of config file.
Fix tests.
Better error message when plugin not found.
i18n.
Fix gettext.install magic.
Stop ignoring i18n.py.
Clean up .gitignore.
Move mousetrap.desktop.in to old/