got rid of google font dependency
got rid of some unused CSS imports
made frontend less responsive
(seriously, there won't ever be any MSIE6-9 cash desk clients. and if there are, you'll have a whole range of other problems than some layout fuckups)
removed various unneeded javascript dependencies in frontend
resolved a CSS warning
added custom frontend.css, smaller headers
reduced upper spacing
moved cart to top
re-enabling tipsy css (as it's still used)
integrated preorder form into ticket selector
remodeled the frontend top bar
EOL fix
opening the drawer will re-select the preorder_uuid input
cleaned up frontend sale view
removed now obsolete cashlist list
changed cart order, summary is now fixed on top
ticket list is now split into two panes and more compact
cashier can now advance from sale view by pressing return
Merge pull request #35 from CCCO/touchscreen-ui

made the UI more friendly for small touchscreens (fixing #30)