ERT-710 / RO-12: Added test for gen_kw __setitem__ and __getitem__ methods
ERT-710 / RO-12: Added methods gen_kw_data_iset, gen_kw_data_get, gen_kw_data_set
ERT-710 / RO-12: Added methods __get_item__ and __set_item__ to gen_kw class. Changed constructor to allow creating a gen_kw from a gen_kw_config object
ERT-710 / RO-12: Added method gen_kw_data_has_key()
ERT-710 / RO-12: Added possibility to create an empty gen_kw_config(), and added method set_parameter_file() to be able to populate the empty instance
ERT-710 / RO-12: Added fault handling
ERT-710 / RO-12: Made test independent of StatoilData, added some more fault testing
ERT-710 / RO-12: Fixed typo
ERT-710 / RO-12: Changed test EnkfLibraryTest to accommodate that GenKwConfig constructor is now implemented
ERT-710 / RO-12: Merging trouble
Merge remote-tracking branch 'upstream/master' into RO_12_gen_kw_set_get_item

Conflicts:
	devel/python/test/ert_tests/enkf/test_enkf_library.py
ERT-710 / RO-12: Implemented contains function in gen_kw
ERT-710 / RO-12: Changed method names, added third argument to constructor
Merge pull request #580 from chflo/RO_12_gen_kw_set_get_item

Ro 12 gen kw set get item