chore(docs): allow periods in doc shortNames

Author: btford

docs/src/ngdoc.js

@@ -1108,7 +1108,7 @@ function scenarios(docs){
 function metadata(docs){
   var pages = [];
   docs.forEach(function(doc){
-    var path = (doc.name || '').split(/(\.|\:\s*)/);
+    var path = (doc.name || '').split(/(\:\s*)/);
     for ( var i = 1; i < path.length; i++) {
       path.splice(i, 1);
     }