added user name to menu when logged in
link back to submitted tree
move disease state into the spotter header
pep8
Merge pull request #29 from adapt/hotfix/link-and-tweaks

Link to submitted sighting from thanks, and tweak the disease state note
Merge pull request #28 from adapt/hotfix/show-logged-in-email

added user name to menu when logged in
Merge branch 'master' into hotfix/design-fix-1