Remove applications.Application (bug 1068591)
add migrations for the applications removal (bug 1068591)
remove the Application model for real (bug 1068591)
following david's review (bug 1068591)
add choices to PositiveIntegerFields for applications (bug 1068591)
Merge pull request #288 from magopian/yohanboniface-remove-applications

Remove applications.Application (bug 1068591) RELOADED