Added method to add and get commands list from action context.
Get command list from a file resource and put into the service context on creation.
Ignore the resource file factory field for objectify.
Merge pull request #18 from n3phele/commands_association

Commands association
Merge branch 'master' of https://github.com/n3phele/core
Fixed bug on AssimilateAction and signal to parent
Merge pull request #23 from n3phele/assimilate_Signal

Assimilate signal