Edited campaign text
Updated 'What can you do' section
change text on promo image
get involved form
Merge branch 'master' of https://github.com/okfn/open-contracting

# By Jonathan Gray
# Via Jonathan Gray
* 'master' of https://github.com/okfn/open-contracting:
  Updated 'What can you do' section
  Edited campaign text

Conflicts:
	index.html