Get rid of incredibly dubious hack to farm actions out to roles when a node changes state. [1/1]

What the title says.

 .../app/controllers/application_controller.rb      | 10 ----------
 .../app/controllers/nodes_controller.rb            | 21 ---------------------
 crowbar_framework/app/models/node.rb               | 22 +++++++++++++++++++---
 crowbar_framework/app/models/role.rb               |  8 ++++----
 4 files changed, 23 insertions(+), 38 deletions(-)

Crowbar-Pull-ID: 672eaf24a1d64a8be63ffdbaf9f646e3c204e838

Crowbar-Release: development