Add navigation icons

Change-Id: Ibdaf29a10dcb1ba3ab39be272ce2c673af8ac265
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/assets/images/icon-overview.svg b/app/assets/images/icon-overview.svg
new file mode 100644
index 0000000..d1103de
--- /dev/null
+++ b/app/assets/images/icon-overview.svg
@@ -0,0 +1,5 @@
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 40 40" style="enable-background:new 0 0 40 40;" xml:space="preserve">
+<path d="M23.9,18.2l3.3,3.3l1.1-1.1L23.9,16l-7.8,7.8l-3.3-3.3l-1.1,1.1l4.4,4.4L23.9,18.2z"/>
+<path d="M5,8v24h30V8H5z M33,30H7V12h26V30z"/>
+</svg>