added specs for User#set_locale
Adds specs for some contribution state machine methods. Fixed data truncation after spec run so we don't need those find_or_create calls
Gets rid of define_method calls in database_seeds
Merge branch 'add_more_specs' of https://github.com/diogob/unlock into diogob-add_more_specs
Merge branch 'diogob-add_more_specs'