Category icons

dont delete disabled plugins; give them a new ext. [Fixes nate-parrott#4

]

dark mode support for weather plugin

fix some potential bugs

rev to v0.4

add some features to better support web search

use info.json, not info.plist, for plugins. add plugin usage example …

…field

bump to v0.21

bump to v0.2

Works with yosemite GM