travis: ignore migrations for coverage
fix: perm manage_user/group/team -> manage_accounts
improve views and templates permissions managment
fix: sort milestone by due_date missing migration
perms templates: better variables names
remove unused tag
comment project search field (not implemented yet)
redirect to profile if no email when subscribe
permissions tests
settings: password editable -> external auth
improve templates: improve new buttons
add profile form
increase accounts tests coverage
fix: project project perm delete view against csrf
improve & fix permissions forms
fix inversion mistake
fix test: username required with ext auth = False
clean error pages
fix: issue subscription: user -> request.user
milestone open/close: 404 if action make no sens