AMEC-2028: show the author supplied doi in the references
AMEC-2035: Change name of "CrossRef" link in references
AMEC-2036: update style of references
AMEC-1982: show crossref/pubmed/google scholer links if article is journal
AMEC-2028: de-link doi references
AMEC-1779
added javascript logic to display the recaptcha information vs getting the html from java
added small amount of validation
Merge remote-tracking branch 'origin/master' into dev-AMEC-1779
Merge remote-tracking branch 'origin/dev-AMEC-1779' into release/2.9.1rc
Merge remote-tracking branch 'origin/dev-references' into release/2.9.1rc
set version in pom files to 2.9.1
AMEC-1779 styled cursor
Merge remote-tracking branch 'origin/dev-AMEC-1779' into release/2.9.1rc
added 2.9.1's release notes