remove create detailed guides button from admin
Fix cucumber by bypassing the new detailed guides link

Also remove redundant path_to helper
Losen validation of house of commons number

As long as they start with a digit, they should be valid.
Merge pull request #729 from alphagov/hoc-number-validation

Losen validation of house of commons number

Required for https://www.pivotaltracker.com/story/show/49849655
Merge pull request #717 from alphagov/54179016-detail-guides

Remove create detailed guides button from admin

https://www.pivotaltracker.com/story/show/54179016
Remove logstasher configuration

Sorry about the noise - this has now been moved to deployment
repositories instead of application code.