fixes #2400 migration to remove orphaned records and add foreign keys constraints to database tables
Fixes #2272 - added Capybara integration tests, but without javascripts tests
fixes #2400 continuation - match all host STI classes when finding orphaned records
fixes #2272 continuation - NameError: undefined local variable or method postgresql_version for ConnectionAdapters::SQLite3Adapter
refs #2400 - add foreigner/immigrant dependencies to spec file
Fixes #3043 - Support Signo on API level using BasicAuth
fixes #3064 - links to nested hostgroups use hostgroup_fullname
removing PO merge from commit when doing locale:find

Since we are using transifex.com for pulling translations, commiting merged
PO files only pollutes git. We already do not commit that when using
locale/Makefile, thus making the same change here.
i18n - extracting new, updating rails, pulling from tx
Bump version to 1.3-develop