[webui] fix a regression with latest rails 2.3 security update: build results loading is working again

Conflicts:
	dist/webui-production.rb

Conflicts:
	src/api/app/controllers/application_controller.rb

[api] use generic function for injecting build jobs (fixes breakage after fix for scheduler of aggregation block check)

Conflicts:
	src/api/script/start_test_backend
	src/api/test/test_helper.rb

Conflicts:
	src/api/app/controllers/request_controller.rb
	src/api/test/functional/request_controller_test.rb

[api] reduce group request search to absolute required functionality in 2.3 branch (master stays complete)

Conflicts:
	src/api/app/models/group.rb

[api] package meta of package copy command is not copying relationships and devel definitions anymore

Conflicts:
	src/backend/bs_sched