Tidying up, bower changes

- Folder tidy up
- Bower updated to include source files
- Upgraded to svgstore 5.0.0

src/sprite/icon-rewind.svg

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg width="18px" height="21px" viewBox="0 0 18 21" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns">
+    <!-- Generator: Sketch 3.2.2 (9983) - http://www.bohemiancoding.com/sketch -->
+    <title>rewind</title>
+    <desc>Created with Sketch.</desc>
+    <defs></defs>
+    <g id="Page-1" stroke="none" stroke-width="1" sketch:type="MSPage">
+        <path d="M17.569,9.246 L7,3 C6.448,3 6,3.448 6,4 L6,5.954 L1,3 C0.448,3 0,3.448 0,4 L0,16 C0,16.552 0.448,17 1,17 L6,14.045 L6,16 C6,16.552 6.448,17 7,17 L17.569,10.754 C17.836,10.596 18,10.31 18,10 C18,9.69 17.836,9.403 17.569,9.246 L17.569,9.246 Z M6,11.722 L2,14.086 L2,5.914 L6,8.278 L6,11.722 L6,11.722 Z M8,14.086 L8,5.914 L14.915,10 L8,14.086 L8,14.086 Z" id="Shape" sketch:type="MSShapeGroup" transform="translate(9.000000, 10.000000) rotate(-180.000000) translate(-9.000000, -10.000000) "></path>
+    </g>
+</svg>