added foxx warning

Conflicts:
	Documentation/Manual/NewFeatures13.md

Documentation/Manual/NewFeatures13.md

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+New Features in ArangoDB 1.3 {#NewFeatures13}
+=============================================
+
+@NAVIGATE_NewFeatures13
+@EMBEDTOC{NewFeatures13TOC}
+
+Features and Improvements {#NewFeatures13Introduction}
+======================================================
+
+The following list shows in detail which features have been added or
+improved in ArangoDB 1.3.  ArangoDB 1.3 also contains several bugfixes
+that are not listed here.
+
+Changes to the Datafile Structure{#NewFeatures13Datafile}
+---------------------------------------------------------
+
+As the datafile structure has changed, please read the 
+@ref Upgrading13 "upgrade manual" carefully.
+
+Rapid API Development with FOXX{#NewFeatures13Foxx}
+---------------------------------------------------
+
+A preview of the forthcoming Foxx is contained in 1.3. Please note
+that this is not the final version, Foxx is still experimental.
+
+Foxx is a lightweight Javascript “micro framework” which allows you to
+build applications directly on top of ArangoDB and therefore skip the
+middleman (Rails, Django, Symfony or whatever your favorite web
+framework is). Inspired by frameworks like Sinatra Foxx is designed
+with simplicity and the specific use case of modern client-side MVC
+frameworks in mind.
+
+The screencast at
+<a href="http://foxx.arangodb.org">http://foxx.arangodb.org</a>
+explains how to use Foxx.
+
+Transactions{#NewFeatures13Transactions}
+----------------------------------------
+
+New Administration Interface{#NewFeatures13Admin}
+-------------------------------------------------
+
+Node Modules and Packages{#NewFeatures13Node}
+---------------------------------------------
+
+ArangoDB 1.3 supports some of @ref JSModulesNode "modules" and @ref JSModulesNPM
+"packages" from node. The most important module is maybe the Buffer support,
+which allows to handle binary data in JavaScript.
+
+    arangosh> var Buffer = require("buffer").Buffer;
+    arangosh> a = new Buffer("414243", "hex");
+    ABC
+    arangosh> a = new Buffer("414243", "ascii");
+    414243
+    arangosh> a = new Buffer([48, 49, 50]);
+    012
+
+Supplying the Buffer class makes it possible to use other interesting modules
+like punycode. It enables us to support some of NPM packages available - for
+instance CoffeScript.
+
+    arangosh> var cs = require("coffee-script");
+    arangosh> cs.compile("a = 1");
+    (function() {
+      var a;
+
+      a = 1;
+
+    }).call(this);
+
+    arangosh> cs.compile("square = x -> x * x", { bare: true });
+    var square;
+
+    square = x(function() {
+      return x * x;
+    });
+
+"underscore" is also preinstalled.
+
+    arangosh> var _ = require("underscore");
+    arangosh> _.map([1,2,3], function(x) {return x*x;});
+    [ 
+      1, 
+      4, 
+      9 
+    ]
+
+The node packages can be installed using npm in the "share/npm"
+directory. If you find out, that a node package is also working
+under ArangoDB, please share your findings with us and other
+users.