Fixing small typo in the documentation of rofl-hal
cifactions => fixed bug => in method append_action(), we call map_and_insert() internally in order to get the correct cofaction class copied, let to std::bad_cast exceptions under certain circumstances
Merge branch 'devel-0.4' into devel-0.5

Conflicts:
	test/rofl/common/caddress_test.cc
	test/rofl/common/openflow/Makefile.am