Added "My organisation isn't listed" link for registration

Clicking hides link, select “other” in select box and displays text
field for entering name of other org.
Added "My organisation isn't listed" link for registration

Clicking hides link, select “other” in select box and displays text
field for entering name of other org.
Merge branch 'Other-org-more-visible' of https://github.com/DigitalCurationCentre/DMPonline_v4 into Other-org-more-visibleHEAD

Conflicts:
	config/locales/en.yml
Merge pull request #119 from DigitalCurationCentre/Other-org-more-visible

Added "My organisation isn't listed" link for registration