Set up sprockets env, otherwise specs fail w/ integrate_views
require spec_helper is enough, spec dir is already in load path
Fix a reference to undefined variable in NodesController

If a role parameter was specified for the index action, the @groups
would be undefined and sort called on nil in nodes/index.html.haml
Merge pull request #851 from bkutil/undefined_reference_in_node_controller

Fix a reference to undefined variable in NodesController
Fixed node allocate on bulk edit
Merge pull request #852 from tboerger/feature/bulk-allocate

+1
Merge pull request #848 from bkutil/enable_sprockets_in_tests

Set up sprockets env, otherwise specs fail w/ integrate_views