allow UKIDSS _check to work when logged in & add a more flexible
database identification tool
add changelog entry
have to have a session to use it
check for logged in instead
Fixed <input> logic flaw in _activate_form

This tweaks commit 509a8014dd8d87081927a7c6a53121a3122eb0f0.
Replace Exception by LoginError in _login()
Fixed last failing remote test.
Reference #427 in CHANGES

Fixes #420
Merge pull request #427 from jwoillez/fix_form_activation

Make remote Eso test pass
add zenodo badge
Merge branch 'ukidss_checkfix'

Conflicts:
	CHANGES