haproxy_ctld_daemon.rb: Fix backtrace option

The haproxy_ctld_daemon.rb script in the haproxy cartridge had a typo:
':backgrace' instead of ':backtrace'.

This typo appears to have been present since haproxy_ctld_daemon.rb was
introduced in commit ee8cebbe1adb351a3b80ca3fda4f047aee8fac1b.
Support running broker tests directly
Force scopes to use checked ids and avoid symbolizing arbitrary strings
Use .present? instead of .count > 0 (for performance)
Handle ValidationExceptions globally
Support LIST_DOMAINS_BY_OWNER, SHOW_DOMAIN, and SHOW_APPLICATION_BY_DOMAIN
Simplify capabilities to be more model like, and support clean proxying of inherited properties
Return creation_time on domains
Card 57 - provide simple visual branding to the admin console
Card 57 - review feedback
Card 57 - update Gemfiles to use rubygems sass-twitter-bootstrap
fix bz987773, make max calculation use a floating point
Card 57 - make admin console header responsive
WebMock causes errors in Net::HTTP::Persistent, disable except when needed
Merge remote-tracking branch 'origin/master' into changes_for_membership

Conflicts:
	controller/app/controllers/api_controller.rb
	controller/app/controllers/domains_controller.rb
	controller/app/rest_models/rest_domain.rb
	controller/lib/openshift/controller/api_responses.rb
Merge pull request #3154 from rajatchopra/master

Merged by openshift-bot
Card 57 - make admin console pages responsive
Adding Fedora vs RHEL cases for idler.
Ruby 2.0 in F19 runs as ruby-mri vs ruby in RHEL
<admin-console> broker proxy RPP change + filling in README
<admin-console> adding some configuration options
Card 57 - make histograms responsive
Merge remote-tracking branch 'origin/master' into changes_for_membership
<admin-console> revising packaging