Merge remote-tracking branch 'atlas/master'

Author: hjwp

atlas.json

@@ -33,8 +33,8 @@
   ],
   "formats": {
     "pdf": {
-      "version": "print",
-      "color_count": "1",
+      "version": "web",
+      "color_count": "4",
       "index": true,
       "toc": true,
       "syntaxhighlighting": true,