Revert "no integer weight"

This reverts commit f4d4f4c.

Author: archmoj

src/lib/coerce.js

@@ -114,8 +114,13 @@ exports.valObjectMeta = {
             'are coerced to the `dflt`.'
         ].join(' '),
         requiredOpts: [],
-        otherOpts: ['dflt', 'min', 'max', 'arrayOk'],
+        otherOpts: ['dflt', 'min', 'max', 'arrayOk', 'extras'],
         coerceFunction: function(v, propOut, dflt, opts) {
+            if((opts.extras || []).indexOf(v) !== -1) {
+                propOut.set(v);
+                return;
+            }
+
             if(v % 1 || !isNumeric(v) ||
                     (opts.min !== undefined && v < opts.min) ||
                     (opts.max !== undefined && v > opts.max)) {

src/plots/font_attributes.js

@@ -51,8 +51,10 @@ module.exports = function(opts) {
 
         weight: {
             editType: editType,
-            valType: 'enumerated',
-            values: ['normal', 'bold'],
+            valType: 'integer',
+            min: 1,
+            max: 1000,
+            extras: ['normal', 'bold'],
             dflt: 'normal',
             description: [
                 'Sets the weight (or boldness) of the font.'