put gl3d module in plots/gl3d/ :

- keep Gl3dLayout (for now)
- merge Gl3dAxes into Gl3dLayout

Author: etpinard

src/gl3d/defaults/gl3daxes.js

@@ -1,8 +1,7 @@
 'use strict';
 
-var Plotly = require('../../plotly');
-
-var extendFlat = Plotly.Lib.extendFlat;
+var gl3dAxisAttrs = require('./axis_attributes');
+var extendFlat = require('../../../lib/extend').extendFlat;
 
 function makeVector(x, y, z) {
     return {
@@ -127,11 +126,9 @@ module.exports = {
         ].join(' ')
     },
 
-    _nestedModules: {
-        'xaxis': 'Gl3dAxes',
-        'yaxis': 'Gl3dAxes',
-        'zaxis': 'Gl3dAxes'
-    },
+    xaxis: gl3dAxisAttrs,
+    yaxis: gl3dAxisAttrs,
+    zaxis: gl3dAxisAttrs,
 
     _deprecated: {
         cameraposition: {

src/gl3d/lib/camera.js

@@ -1,7 +1,6 @@
-var Plotly = require('../../plotly');
+var axesAttrs = require('../../cartesian/attributes');
+var extendFlat = require('../../../lib/extend').extendFlat;
 
-var axesAttrs = Plotly.Axes.layoutAttributes;
-var extendFlat = Plotly.Lib.extendFlat;
 
 module.exports = {
     showspikes: {
@@ -54,7 +53,6 @@ module.exports = {
     showaxeslabels: {
         valType: 'boolean',
         role: 'info',
-        dflt: 'rgba(204, 204, 204, 0.5)',
         dflt: true,
         description: 'Sets whether or not this axis is labeled'
     },