[Addressess #46486963] promo model changed
[Addressess #53087429] account level - default promos  list on add promo code page , Lobbyist-ruby part  account_levels, validations and refactor
[Addressess #46486963]  change the discontinue method to update
Merge remote-tracking branch 'origin/master'

Conflicts:
	CHANGELOG
	lib/lobbyist/account_level.rb
	lib/lobbyist/version.rb
Merge remote-tracking branch 'origin/master'

Conflicts:
	CHANGELOG
	lib/lobbyist/account_level.rb
	lib/lobbyist/version.rb
Merge remote-tracking branch 'origin/master'
[addresses #53268161] Updated to include extra information to the Unauthorized exception.
[addresses #53194035] Fixing problem with ClientError initialization.
Merging develop into master.  I put a commit on the develop branch without knowing we normally commit to master directly.