added postman file to docs
integrate TravisCI
enable ssl mode
try local postgre database
run db migrate first before mocha test
clean default.yaml
Merge pull request #7 from countcain/master

integrate TravisCI
Merge branch 'master' of github.com:topcoderinc/serenity-discussions-api into url_filters
Move query string params to the /dicussions endpoint.
Merge remote-tracking branch 'origin/url_filters' into url_filters