Exposing a way to execute commands via API
Fixing failing assertion in EmptyProcessTest
Merge pull request #103 from mikedias/execute-command

Exposing a way to execute commands via API
Fixed possible issue with empty pools
Merge branch 'master' of https://github.com/Activiti/Activiti
Merge branch 'master' of https://github.com/marcusk24/Activiti into CmdTC