Changed asset-url to use one argument

asset-url with two arguments is depreceated
Merge branch 'master' into my-branch
Add web fonts
fixed z-index issues
change button loading state not to use spinner
Use mixins in css
Add save and add another button to add modal
Spelling mistake fix
Avatars now draggable in main list
Merge pull request #7 from finely/oleg-branch

Oleg branch