version bump

Author: monfera

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gl-line2d",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "2D line plots",
   "main": "line.js",
   "dependencies": {
@@ -24,6 +24,7 @@
     "gl-vis"
   ],
   "author": "Mikola Lysenko",
+  "contributors": ["Étienne Tétreault-Pinard", "Robert Monfera"],
   "license": "MIT",
   "browserify": {
     "transform": [