Merge branch 'hotfix/optimize'

* hotfix/optimize:
  fix order helper
  optimize program
  optimize helper
Merge branch 'release/29.0.1'

* release/29.0.1:
  fix order_helper
  set rails version
  add timepad, again
  add lectures to join
Merge branch 'release/1.7.3'

* release/1.7.3:
  fix order_helper

Conflicts:
	lib/order_helper.rb
add sponsor
Merge branch 'hotfix/sponsor3'

* hotfix/sponsor3:
  add sponsor
Merge branch 'hotfix/sponsor3' into develop

* hotfix/sponsor3:
  add sponsor
add privacy checkbox
add unavailable to submit button
fix social links inputs
Merge branch 'hotfix/add_license_agreement' into develop

* hotfix/add_license_agreement:
  fix social links inputs
  add unavailable to submit button
  add privacy checkbox
add provectus-it