add lib/ to .gitignore
add lib/ to .gitignore

intelliJ puts some depended-on jars there

Auditors: benjy

atollena/commons,atollena/commons,abel-von/commons,abel-von/commons,pombredanne/commons,nkhuyu/commons,Yasumoto/commons,WCCCEDU/twitter-commons,nkhuyu/commons,imsut/commons,atollena/commons,atollena/commons,WCCCEDU/twitter-commons,abel-von/commons,WCCCEDU/twitter-commons,Yasumoto/commons,cevaris/commons,pombredanne/commons,atollena/commons,ericzundel/commons,jsirois/commons,cevaris/commons,jsirois/commons,Yasumoto/commons,brutkin/commons,VaybhavSharma/commons,Yasumoto/commons,nkhuyu/commons,WCCCEDU/twitter-commons,abel-von/commons,imsut/commons,ericzundel/commons,ericzundel/commons,cevaris/commons,nkhuyu/commons,WCCCEDU/twitter-commons,imsut/commons,pombredanne/commons,VaybhavSharma/commons,brutkin/commons,brutkin/commons,nkhuyu/commons,abel-von/commons,jsirois/commons,ericzundel/commons,jsirois/commons,VaybhavSharma/commons,VaybhavSharma/commons,ericzundel/commons,jsirois/commons,Yasumoto/commons,VaybhavSharma/commons,pombredanne/commons,pombredanne/commons,cevaris/commons,cevaris/commons,brutkin/commons,brutkin/commons