Strip xref tags from define text.

Removed "Bot" from Username as Slack automatically adds it (#23)

Renamed Slack Username to "SoundCloud Bot" (#21)

feature(plugin): Add NSFW plugin (#19)

Merge branch 'release/0.2'

Add example to Urban Dictionary plugin.

Add `_site` to gitignore.

Enable requests to be sent via POST as well as GET. Ref #9.

Add sing plugin. Closes #8.

Add Troutslap plugin. Closes #7.

Remove Println in Soundcloud plugin.

Add SoundCloud plugin.

Run through gofmt.

Update README.md

Update README.