Merge pull request #21 from sheffgeeks/js-eval

add javascript eval plugin
add locale setting, defaulting to en_GB.UTF-8 for now
Merge branch 'master' of github.com:sheffgeeks/burritobot
adding provisioning support for node and the js command in particlar
adding a repeat plugin
stopping new plugin from breaking command command
adding a means to discover whether the command was targeted at the bot in the data dictionary
adding canned responses
update irc channel config handling to allow for csv lists in config file
plugin list update