Setup statics and begin basics

Setup statics - renamed demo/static/oscar  > demo/static/demo
 - hooked this up in base.html

Left bootstrap styles alone in styles.less
- removed page/less files from styles.less
- added theme.less into styles.less
- theme.less now imports less from page/less

Updated nav_primary.html with horizontal navigation (need categories to show)

Added basic
- fonts.less + font sizes
- basic buttons styles
- colors
- svg logo (will be updated)
- basic layout.html (header,body,footer)