build for tagged commits.
fix up the wrong pattern for tag names.
remove the branch whitelist to build tagged commits.
Bump version: 0.2 → 0.3
release on all branches.
Bump version: 0.3 → 0.4
register the management script as a console script.
set up pytest and pytest-django.
add smoking test for the console script.
run tests with distribution packaging.
Merge pull request #5 from tonyseek/management-cli

Register the management script as a console script.
change "gulp build" as a postinstall script of npm.
support to use postgresql as backend storage.
add pastry.commons as a regular app.
set up browser-sync instead of livereload.