small fixes in the data; add pascal case of unit name

Author: noah1510

generator_code/unit.py

@@ -84,6 +84,7 @@ def __init__(
         super().__init__({
             'name': data['name'],
             'base_name': data['base_name'],
+            'name_pascal': data['name'].replace("_", " ").title().replace(" ", ""),
             'unit_id': data['unit_id'],
             'literals': data.get('literals', []),
             'combinations': data.get('combinations', []),

type data/constants.json

@@ -4,7 +4,7 @@
     "value": 6.02214076e23
   },
   {
-    "name": "waterFreezingPoint",
+    "name": "water_freezing_point",
     "value": 273.15
   }
-]
+]

type data/units.json

@@ -280,7 +280,7 @@
         "multiplier": 1e0
       },
       {
-        "name": "kilo metre per second",
+        "name": "kilo metre per hour",
         "code_literal": "kmph",
         "multiplier": 0.27777777777777777777777777777
       }
@@ -297,7 +297,7 @@
         "multiplier": 1e0
       },
       {
-        "name": "standard  gravity",
+        "name": "standard gravity",
         "code_literal": "G",
         "multiplier": 9.80665
       }