updating core JS libraries
move bootstrap JS into own folder
some more updating and moving around
update login page
update breadcrumbs
update buttons
update tables
update fsr_index and small stuff
more button fixes
form updates
fix typo
update tables
fix error display in forms
update span classes
forgotten forms and buttons
update actions
fix semester viewing

albeit still quite ugly
make multiselect work again
remove language menu as its actually not necessary
fix some stuff around pseudo-tabs on semester view