Added test_defaults_seed_and_load_into_empty_project

Added :defaults scopes to models
Added :sources and :formulas fixtures
Loading defaults from seeds.rb using rake task instead of migration

lib/tasks/body_tracking.rake

@@ -0,0 +1,20 @@
+
+require Rails.root.join('config', 'environment')
+
+namespace :redmine do
+  namespace :body_tracking do
+    desc "Loads body_tracking plugin seed data from db/seeds.rb. Requires pending" \
+      " migrations to be applied before running. Purges and reloads all seed data."
+    task seed: [:environment, 'db:abort_if_pending_migrations'] do
+      seed_fn = Rails.root.join('plugins', 'body_tracking', 'db', 'seeds.rb')
+      if seed_fn.exist?
+        print "Loading seed data from #{seed_fn}..."
+        load(seed_fn)
+        puts "done"
+      else
+        puts "Seed data file #{seed_fn} is missing :/"
+      end
+    end
+  end
+end
+