I18N: trying to make sure that everytime the role pretty names are displayed they are localized (they may be message keys in the database). Since I couldn't figure out how to use the group type / relationship admin UI I didn't test this change as thoroughly as I would have like to...sorry
Added 'on delete cascade' constraint to bt_projects_apm_packages_fk, and sourcing bug-tracker-notifications-init.sql, so notifications actually work when you install bug-tracker :)
cleaning up and improving the criteteria for selecting text in adp:s to consider for translation, making sure adp variable syntax is converted to percentage syntax for adp files when replacing temporary message tags (note: for tcl files this conversion must still be done manually)