Correct location of script
Rework layour with bootstrap 3

* Lots of cleanup and deduplication work.
* Pull in bootstrap-datetimepicker.
* Move css and js to subfolders.
Replace bootstrap-datetimepicker to work with bootstrap 3
Move navbar to prepost

* Make the navbar common code.
* Update jquery version
* Remove jquery-ui
* Switch to bootstrap-datetimepicker (to address #5)
Append zero seconds to timestamps

* Append zero seconds to timestamps (fixes #5)
* Remove some commented out code