Merge pull request #12 from cazfi/master

pull in latest changes from cazfi.
Improve errormessages in build process, and remove unused files.
Update json2, and remove jquery.json.
add waterbug.js
Update jstorage.
Remove iPhone support. Use session_id instead of incorrect IP in proxy
Improvements for iPhone support.
Use twitter bootstrap for frontpage and wireframe.
Fix observers.
Cleanup of metaserver.
Fix text position on dialog titles.
Fix preview of goto path.
Initial work to make freeciv-web responsive on mobile devices.
fix scenarios, and remove debugging for iphone.
Merge pull request #2 from andreasrosdal/master

Sync cazfi with my latest development on freeciv-web.