Set up sprockets env, otherwise specs fail w/ integrate_views
require spec_helper is enough, spec dir is already in load path
Merge pull request #848 from bkutil/enable_sprockets_in_tests

Set up sprockets env, otherwise specs fail w/ integrate_views
Added link to remove nodes from each role on deployment
Test for blank node_attributes["group"], not empty

If node_attributes["group"] is nil, this would raise.
Fix double render error in NodesController#hit
Merge pull request #856 from bkutil/fix_double_render_in_nodes_controller

Fix double render error in NodesController#hit
Fixes in NodesController when params are not passed
Refactor NodesController#hit to use send
Merge pull request #857 from bkutil/node_controller_fixes

Fixes in NodesController when params are not passed
Merge pull request #858 from bkutil/use_send_in_nodes_controller_hit

Refactor NodesController#hit to use send
Do not consider cinder volumes as local disks

They belong to the VMs really, so don't add them to the fixed/unclaimed
disks list. Fixes bnc#826569
Merge pull request #854 from vuntz/cinder-removable

Do not consider cinder volumes as local disks
add apply_role_post_chef_call

This new hook mirrors apply_role_pre_chef_call, but is run after all the
chef-client runs are complete.  This can be used for things inserting
links into node.crowbar["crowbar"]["links"], since the links should not
show up until the chef-client runs succeeded.
Merge pull request #862 from aspiers/apply_role_post_chef_call

add apply_role_post_chef_call
Merge pull request #855 from bkutil/node_controller_check_blank_group

Test for blank node_attributes["group"], not empty
Return all matching roles in NodeObject#active if bc instance is nil
Merge pull request #867 from bkutil/add_wildcard_to_active_role_search

Return all matching roles in NodeObject#active if bc instance is nil
Also add Support for Xen Virtual Disks (/dev/xvd*)
Merge pull request #868 from vuntz/xvd

Also add Support for Xen Virtual Disks (/dev/xvd*)