revised experimental actions for PPPoE and GTP
revised experimental actions for WLAN and CAPWAP
cofflowmod => default values for variables out_port and out_group changed: OFPP_ANY and OFPG_ANY
cofactions => added new class cindex for improving API of class cofactions => method calls like add_action_output() use now a single parameter cindex in order to define the slot number, where to create the new action
rofl exceptions => implementation of methods what() in all rofl exceptions completed
croflexception.h => minor clean-up
Merge branch 'devel-0.5' into akoepsel/devel-0.5/working