adding set_cwd
added classification_tree
added download dest
seed file doesn't show html link, changing to original
added image/link in share/_content
added img names in seed, with type='image'
added new content support
css for content-image and content-link
link and img works in _content
changed seed to reflect img/link
Merge pull request #32 from teamleada/tristan_misc_fix

Tristan misc fix