support more doit commands
tasks tags, listings support to "clean"
Merge branch 'master' into clean-output
added dummy CODE_COLOR_SCHEME option (#413)
New CODE_COLOR_SCHEME option
py3 compat
Merge pull request #414 from okin/master

Additional plugins readme now rendered by Github
Sidebar shows a link to the RSS feed.
Only show the language of the RSS feed if there is more than one language.
Tag overview: Links to RSS after h1. Only showing language if there is more than one.
Updated changelog.
Make planetoid require only 3 runs
Merge branch 'master' of github.com:ralsina/nikola
Part of #199
Generate closer to the older code.css
Merged master from https://github.com/ralsina/nikola/
Merge branch 'master' of https://github.com/ralsina/nikola into feeds2
Fix #417
Merge pull request #415 from okin/fix123

Improved RSS visibility
Fix #389