Add route support

This patch includes the following new features:
(1). Add a new tab named 'Routes' to collect and display CF runtime route data.
(2). Support delete routes
update for latest rubocop
fix some rubocop issues
Fix the nil? issue due to the rubocop upgrade
addJSONDetailsLinkRow for route
Orgs and Spaces tab won't show when they have no routes
Add test to ensure non-privileged user cannot delete route
Separate used/total routes into two separate columns
Merge pull request #28 from cloudfoundry-incubator/add-route-support

Add route support
Specify rubocop version
Merge pull request #29 from cloudfoundry-incubator/SpecifyRubocopVersion

Specify rubocop version
Add unused route column to orgs and spaces tabs
Merge pull request #30 from cloudfoundry-incubator/AddUnusedRoutes

Add unused route column to orgs and spaces tabs
Now we have a service instances tab, links from orgs and spaces tab should go there for count of service instances
Merge pull request #31 from cloudfoundry-incubator/FixServiceInstanceRelationships

Link between orgs and space tabs to service instances tab