moved.css to sass
refactored scm.css to sass
split css

- separated css for top_menu, header and breadcrumb
- started to remove double rules
added copyright notice for new scss, sass files
more css clean up

- moved all header section related rules to sperate files
- added sass_cache to gitignore
First changes for the openproject 3.0 layout
more css changes for the new layout
scroll whole page instead of of one container
fixed height of content div and footer position
Styled header

- removed home link from top menu
- changed fonts and color
More stuff for new layout

- added icon font
- applied icons for top and project menu
- removed not needed home entry from top menu
fixed layout problem with footer
scope new icons from icon font to top and project menu

otherwise we have some icons twice as long as we still use the old icons in the content area
changed search input in header

- changed background, borders and position
- added magnifier icon
added color param for font mixin
changed icon for activity in project menu
added lato font

- and lato font-face
- moved openproject_icon_font to separate folder
changes in header login fields

- placed css rules in sass file
- new styles for login fields and submit button