Default value and overrides category

The settings must be in the 'overrides' category, not in the 'settings' category. Also, define a default value rather than a value.

Contributes to issue CURA-1278.

resources/definitions/bq_hephestos.def.json

@@ -43,9 +43,6 @@
         "machine_gcode_flavor": {
             "default_value": "RepRap"
         },
-        "machine_platform_offset": {
-            "default_value": [ 0, -82, 0 ]
-        },
         "layer_height": {
             "default_value": 0.2
         },

resources/definitions/bq_hephestos_2.def.json

@@ -43,9 +43,6 @@
         "machine_gcode_flavor": {
             "default_value": "RepRap"
         },
-        "machine_platform_offset": {
-            "default_value": [6, 1320, 0]
-        },
         "material_print_temperature": {
             "default_value": 210
         },

resources/definitions/bq_hephestos_xl.def.json

@@ -43,9 +43,6 @@
         "machine_gcode_flavor": {
             "default_value": "RepRap"
         },
-        "machine_platform_offset": {
-            "default_value": [0, -82, 0]
-        },
         "layer_height": {
             "default_value": 0.2
         },

resources/definitions/bq_witbox.def.json

@@ -17,6 +17,7 @@
             ]
         }
     },
+
     "overrides": {
         "machine_start_gcode": {
             "default_value": "; -- START GCODE --\nG21                     ;set units to millimetres\nG90                     ;set to absolute positioning\nM106 S0                 ;set fan speed to zero (turned off)\nG28 X0 Y0               ;move to the X/Y origin (Home)\nG28 Z0                  ;move to the Z origin (Home)\nG1 Z15.0 F1200          ;move Z to position 15.0 mm\nG92 E0                  ;zero the extruded length\nG1 E20 F200             ;extrude 20mm of feed stock\nG92 E0                  ;zero the extruded length again\nG1 F7200                ;set feedrate to 120 mm/sec\n; -- end of START GCODE --"
@@ -25,67 +26,67 @@
             "default_value": "; -- END GCODE --\nM104 S0                 ;set extruder temperature to zero (turned off)\nG91                     ;set to relative positioning\nG1 E-20 F300            ;retract the filament a bit to release some of the pressure\nG90                     ;set to absolute positioning\nG1 Z200                 ;move the platform to the bottom\nG28 X0 Y0               ;move to the X/Y origin (Home)\nM84                     ;turn off steppers\n; -- end of END GCODE --"
         },
         "machine_width": {
-            "value": 297
+            "default_value": 297
         },
         "machine_depth": {
-            "value": 210
+            "default_value": 210
         },
         "machine_height": {
-            "value": 200
+            "default_value": 200
         },
         "machine_heated_bed": {
-            "value": false
+            "default_value": false
         },
         "machine_center_is_zero": {
-            "value": false
+            "default_value": false
         },
         "machine_gcode_flavor": {
-            "value": "RepRap"
+            "default_value": "RepRap"
         },
         "layer_height": {
-            "value": 0.2
+            "default_value": 0.2
         },
         "layer_height_0": {
-            "value": 0.2
+            "default_value": 0.2
         },
         "wall_thickness": {
-            "value": 1
+            "default_value": 1
         },
         "top_bottom_thickness": {
-            "value": 1
+            "default_value": 1
         },
         "bottom_thickness": {
-            "value": 1
+            "default_value": 1
         },
         "material_print_temperature": {
-            "value": 220
+            "default_value": 220
         },
         "material_bed_temperature": {
-            "value": 0
+            "default_value": 0
         },
         "material_diameter": {
-            "value": 1.75
+            "default_value": 1.75
         },
         "speed_print": {
-            "value": 40
+            "default_value": 40
         },
         "speed_infill": {
-            "value": 40
+            "default_value": 40
         },
         "speed_wall": {
-            "value": 35
+            "default_value": 35
         },
         "speed_topbottom": {
-            "value": 35
+            "default_value": 35
         },
         "speed_travel": {
-            "value": 120
+            "default_value": 120
         },
         "speed_layer_0": {
-            "value": 20
+            "default_value": 20
         },
         "support_enable": {
-            "value": true
+            "default_value": true
         }
 
     }