Add minimal cleanup to CSS.
Added SVG for UI.
Add compass configuration.
Ignore sass cache.
Integrate compass configuration into sinatra.
Migrate CSS to SCSS.
Load compass from config.ru
Merge branch 'feature/1278-migrate-to-compass' into develop
Fix titles.
Cleanup CSS content.
stylesheet: Convert slowly to SCSS.
stylesheet : remove ext from public.
New page to login (page/login/) as admin. Cleaning and new button added in admin page to restart the current session. Flash messages added.
Merge branch 'develop' into feature/1277-admin-section

Conflicts:
	poieticgen/api.rb
	views/layout.haml
	views/page_admin.haml
	views/stylesheets/_common.scss
stylesheets: disable CSS for page admin.
Merge branch 'feature/1277-admin-section' into develop
Gemfile: disable unused gem.
allocation/spiral: add function to update boundaries.
Move update_boundaries to board.
spiral: add a method to test if zone is free.