Sundry changes.
Added source_identifier to GuideTaxon to track EOL collections better.
Calling destroy on every guide taxon is pretty slow.
Added remove all tags to guides.
Bugfix: CoL needs to point toward the 2012 endpoint.
Only show media selectors when chosen when importing batch.
Minor filter on calendars/compare.
Don't think we need the rake version any more.
Let's try this.
Another try.
Alas, twas all for naught.
Slight change to Taxon.single_taxon_for_name.
assets preview
javascript asset preview
Lots of small fixes.
* assessments/show format restriction
* prefer showing listed taxon info on obs/show that has introduced / endemic
  status
* pagination bug on taxon_schemes/show when filtering by taxon
* TaxonName.choose_common_name should not choose invalid common names
* filter out "host" from params used for URL generation
custom assets, preview on trusted projects
Added update with site content, revised language / ui for eol equiv.
Tried to clarify guides add from place dialog.
Removed some unecessary wikipedia calls, minor style change.
Added cover image for projects.
Added bioblitz project type.