Using pytest for tests by default
Removed inused unittest.cfg file
Updated tox configuration
REST API
Updated travis.ci configuration
Added cornice dependency
Added Python version into classifiers (thanks Foxmask)
pyramid_webassets need to be added to this config file
Improved metadata serialization
Update tox configuration
Start web UI with AngularJS
Fixed release serialization
Permit release downloading
Fill release files table
Set colander version
Show other releases in package view
Change version to 0.2
Merge branch 'angular'