Require vertical on Client

This showed as required in the UI but wasn't validating for presence on the
model.
Remove blank line
Failed webhook should not cause UI error

RuntimeError in ClientsController#create

Unable to open stream: http://g5-configurator.dev/consume_feed;
getaddrinfo: nodename nor servname provided, or not known

Extracted source (around line #40):

    if url
      begin
        Webhook.post(url)
      rescue ArgumentError => e
        logger.error e
      end

app/models/client.rb:40:in `post_webhook'
app/models/client.rb:33:in `set_urn'
app/controllers/clients_controller.rb:20:in `create'
Merge pull request #37 from G5/required-veritcal

Require vertical
Merge pull request #38 from G5/fix-webhook-error

Failed webhook should not cause UI error
fix checkbox styling
adds neighborhood to feed
fix specs
Move params within class definition

Was this legit before with the params outside the class definition?
remove unneeded params from location decorator
Merge pull request #41 from G5/params-location

Move params within class definition
Merge branch 'master' into add-neighborhood-to-feed
Merge pull request #40 from G5/add-neighborhood-to-feed

Add neighborhood to feed
Merge master and fix conflict