CSS improvements and local.xml handlers.

CSS improvements in following pages:
- Login
- Register
- Forgot Password
- Search Terms
- Contact
- 404 Not found
- Advanced Search
- Site Map
- RSS
- Returns

CSS improvments in page/page.less

Added <cms_index_index> handler with home.less file loaded by default.
Added <cms_index_noroute> handler with no-route.less file loaded by default.
Some features description and changelog.