Initial v0.4.x commit - see #7
Merged some stuff together.
[modules/opengraph] Added Open Graph module
[modules/markov] Added markov module
[modules/threadsearch] Added 4chan thread search module
[modules/uguu] Added uguu.us link scanning
[modules/threadsearch] Made searching return the same info as on_url
Moved non-core modules into xbotpp_contrib