added bootstrap3 files, removed bootstrap2 files, updated index page
updated html header to match html5 spec
updated index and menu to bootstrap3
check loginstatus on signup page in the backend instead of the frontend code
updated signup and activation page to bootstrap3
updated password recovery pages to bootstrap3
corrected custom styles and adjusted header fontsize
updated account settings page to bootstrap3
updated host pages to use bootstrap3. todo: host details
updated nosignup page to bootstrap3 and corrected display of contact info on signup and password recovery pages
finished update to bootstrap3 of host details page
fixed wrong html in host detail page
updated userlist to use bootstrap3
use class tip to activate tooltips insteas of rel property
updated suffix pages to use bootstrap3, split suffix add from suffix list, added tabbed menu like on hosts page
updated adduser to bootstrap3
updated html header, corrected formatting, removed bootstrap-responsive, finished upgrade to bootstrap3
Merge branch 'bootstrap3' into 0.2-dev

Conflicts:
	ddserver/resources/templates/signup.html
fix style of error messages by adding a class alert-error which was renamed to alert-danger in bootstrap3