Added support for html.link to pass alt and title.
Added a load of mime types. Thanks Xavante.
Added style and alt to html.link
Merge remote-tracking branch 'upstream/master'

Fixed Conflicts:
	orbiter/html.lua
Just changed indent to spaces to follow the rest of the file.
Added Web:link() to allow making the correct link now that the root can be changed.
Added root path support to img.
Fixed Web:redirect() to support changing the root path.
Merge pull request #3 from rjpcomputing/master

Added Web:link() and fixed Web:redirect