Updated node modules (PouchDB 2.2!). Made licensing (Apache v2.0) a b…

…it clearer.

index.js

@@ -1,3 +1,19 @@
+/*
+ Copyright 2013-2014, Marten de Vries
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http:https://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
 "use strict";
 
 //TODO: call http equivalent if http adapter