Changes on NShellAction.java, canceling the adopted VMs.
Merge branch 'master' into exec_refactor
Fixed AssimilateAction.java propOrder and Assimilate juju machine to stack.
Commented the cancel of the adopted process of the NShellAction.java. Also added the DESTRORY $$vm line on the deployMySQL_withAssimilate.n
AssimilateAction.java sending ok to NShell.
modifying assimilate
Fixed bug on AssimilateAction and signal
Passing the correct stackId for context.
Deleted the commented sections that were pointed by Lucio
Merge branch 'master' of https://github.com/n3phele/core into exec_refactor

Conflicts:
	n3phele/src/n3phele/service/actions/StackServiceAction.java
Merge pull request #24 from n3phele/exec_refactor

Exec refactor