Tests pass linting checks
Merge pull request #13 from node-xmpp/issue-12

Tests pass linting checks
Deal with travis issue
Merge branch 'master' of github.com:node-xmpp/node-xmpp-core
Test nodejs 0.11 and handle travis issue
Merge branch 'master' of github.com:node-xmpp/node-xmpp-core into stringprep