Removed shadom from remarkheadertext, reloads faster
Initial work on JSON support
Completed JSON support.
Changed date/time format to display date and time in systems locale settings

Does display easy readible date but on my system it defaults to a wrong
locale apperently.
Reformated
Fix #14
Renamed helloweb.html to index.html, removed / handler.
html/template no longer imported
Fix issue #14