Added more slides

Missing code of clock example
Added a simple implementation of clock example
Added installation section in README
Implemented clock-example in jQuery
Changed to minimised version of moment
Time-example now uses query from bower
Implemented angular-version of clock-example
Fixed links in clock examples
"Fancified" examples a bit

Added flex box to align stuff to centre (both vertically and
horizontally)
Fancified examples a bit more
Improved some slides
Moved solutions into "final-solution" files

Can now code the examples during presentation more easily
Forgot to include a js-file in last check-in