Merge branch 'api' into develop
Travis-ci: configuration setup
Blank commit to launch the first Travis-CI build
Add entries to gitignore

Common machine-specific files for settings, requirements and logger have been added to
.gitignore.
Travis-CI: test against different Django versions
.travis.yml ready for Django 1.7 and Python 3.3
Merge branch 'master' of https://github.com/ialbert/biostar-central into travis-ci
Merge branch 'travis-ci' of https://github.com/nimiq/biostar-central