[ADD] Enable access to workflow engine in server actions that run arbitrary python code
(a workflow variable gives now access to trg_* methods of the workflow engine)
[ADD] Test that the variable 'workflow' is correctly assigned in Python server actions (if not, the code will crash)
[MERGE] [IMP] ir_actions: allow using workflows in server actions.
[IMP] filter out phantomjs warning on OSX
Merge branch 'master' of bzr::lp:openobject-server