Ensure more than 1024 characters can be added to an autocomplete taxonomy field. #4195
Prevent caching of species nomenclature block. #4202.
Updated CHANGELOG.txt for 2.5.2.1
Merge branch 'branch-2.5.2.1'
Prevent caching of all species page blocks. #4202.
Updated CHANGELOG.txt for 2.5.2.2
Merge branch 'branch-2.5.2.2'

Conflicts:
	CHANGELOG.txt
Ensure we don't allow resaving of the same form.
Also update the taxonomy_term_data form to remove any duplicate UUIDs.
Add an error message if we fail to download a record for a specific ID.
Merge remote-tracking branch 'origin/master'