Change default port of grunt server

I frequently use the default port 8000 for something else, apart from
that the now hardcoded port 8084 would be open on our American dev
server as well, while 8000 wouldn't.
Merge pull request #6 from latin-language-toolkit/webserver

Add 'server' grunt task to run development server
Set old spec pending

Totally outdated - the whole suite needs to be updated (or created for
that matter) once we gain some kind of stability.

Some help for #8.
Add foundation as starting point for styling
Add additional foundation resources and load javasript part
Move everything into the grid
Add titlebar which can be extended to a menu
Minor html updates