Options for bg layer selector directive
Options for the map directive

With this commit the context menu directive becomes a child of the map directive.
Options for the mouse position directive
Isolated scope for the attribution directive
Isolated scope for the scaleline directive
Merge pull request #77 from geoadmin/dev_directive-options

Directives refactoring
Avoid visual pollution and remove pipes
Initial links
Fix styling of copyrights and geoadmin link
Merge branch 'dev_bottombar' of github.com:geoadmin/mf-geoadmin3 into dev_bottombar