simplify filter code, refilter when convo changed
Merge branch 'master' into patch-1
Merge branch 'master' of https://github.com/emgram769/live4chan into patch-1
Merge pull request #45 from ccd0/patch-1

simplify filter code, refilter when convo changed
client-side OP
server side OP
fix to have seperate convos per board
server code cleanup

validates fine with jslint and jshint
client code cleanup
fix captcha
quick fix