adds a landing page which gives an overview of the tool

- landing page shows two images of google calendar and tizen watch
  and how the calendars corelate
- routes redesigned to fit this landing page
- redesign of coloring in css

server/template/base_navigation.html

@@ -0,0 +1,11 @@
+
+<div class="navigation" id="navigation">
+    <a href="/"><div class='primeblue'>Longidute</div></a>
+    <div class="navigation_rightside">
+        <a href="/login">Log In</a>
+        <a href="/register">Sign up</a>
+    </div>
+    <a href="javascript:void(0);" class="icon" onclick="menuBars()">
+        <i class="fa fa-bars"></i>
+    </a>
+</div>