Update module and inverter files (#761)

With data files fetched from NREL/SAM@aa60bc3.

Author: Peque

pvlib/data/sam-library-cec-inverters-2018-3-18.csv

@@ -1763,7 +1763,7 @@ def retrieve_sam(name=None, path=None):
             os.path.dirname(os.path.abspath(__file__)), 'data')
         if name == 'cecmod':
             csvdata = os.path.join(
-                data_path, 'sam-library-cec-modules-2017-6-5.csv')
+                data_path, 'sam-library-cec-modules-2019-03-05.csv')
         elif name == 'sandiamod':
             csvdata = os.path.join(
                 data_path, 'sam-library-sandia-modules-2015-6-30.csv')
@@ -1773,7 +1773,7 @@ def retrieve_sam(name=None, path=None):
             # Allowing either, to provide for old code,
             # while aligning with current expectations
             csvdata = os.path.join(
-                data_path, 'sam-library-cec-inverters-2018-3-18.csv')
+                data_path, 'sam-library-cec-inverters-2019-03-05.csv')
         else:
             raise ValueError('invalid name {}'.format(name))
     elif path is not None:

pvlib/data/sam-library-cec-inverters-2019-03-05.csv

@@ -274,10 +274,14 @@ def test_retrieve_sam_cecmod():
         'Adjust',
         'gamma_r',
         'Version',
+        'STC',
         'PTC',
         'Technology',
+        'Bifacial',
+        'Length',
+        'Width',
     ]
-    module = 'iTek_iT_300_HE'
+    module = 'Itek_Energy_LLC_iT_300_HE'
     assert module in data
     assert set(data[module].keys()) == set(keys)
 
@@ -304,8 +308,10 @@ def test_retrieve_sam_cecinverter():
         'Idcmax',
         'Mppt_low',
         'Mppt_high',
+        'CEC_Date',
+        'CEC_Type',
     ]
-    inverter = 'Solectria__PVI_5300_5300_P_208V__CEC_2008_'
+    inverter = 'Yaskawa_Solectria_Solar__PVI_5300_208__208V_'
     assert inverter in data
     assert set(data[inverter].keys()) == set(keys)