Add bicycle:class awareness, add construction work awareness

Profiles/bicycle/aspects/bicycle.comfort.json

@@ -15,7 +15,8 @@
         "residential": 1.0,
         "living_street": 1.1,
         "footway": 0.95,
-        "path": 0.5
+        "path": 0.5,
+        "construction": 0.5
       },
       "railway": {
         "abandoned": 2
@@ -33,6 +34,15 @@
         "designated": 1.2,
         "dismount": 0.01
       },
+      "bicycle:class":{
+      	"-3": 0.5,
+      	"-2": 0.7,
+      	"-1": 0.9,
+      	"0": 1,
+      	"1": 1.1,
+      	"2": 1.3,
+      	"3": 1.5
+      },
       "surface": {
         "#": "The surface mapping heavily resembles the one in speed_factor, but it is not entirely the same",
         "paved": 0.99,