fix(node:express): return 404 status code when partial can't be found

Previously, a 200 status code would be sent when a partial couldn't be rendered.
Merge pull request #82 from zfarrell/partials-404

fix(node:express): return 404 status code when partial can't be found
fix(server): livereload now waits for server to finish restarting

closes #42
fix(server): fixed connect-mongo error

closes #85
docs(readme): updated docs on the deploy heroku generator
docs(readme): cleaning up readme
docs(readme): edited route authorization documentation
docs(readme): made a section for passport boilerplate
feat(deps): upgrade to angular 1.2.11, and to jquery 1.11.0
docs(CHANGELOG): updated for 1.2.6
1.2.6
feat(server): undefined api routes now return a 404
docs(changelog): updated changelog
1.2.7