Merge pull request #1 from cazgp/develop

Revamp and allow @online
Support for organization, convert to institution
Fixed admin bug where obscure 500 errors were thrown
Added model to allow different bibtex styles to be rendered
Parse url when import bibtex to replace spaces with %20 so form validation doesn't fail on publication edit
Re-aligned json for fixtures
Import BibTeX with {} around author and title, enabling organisations to not be parsed as authors
Format function for StyleTemplate
Generate cite key for imported bibtex and run a unique check on title and year
Add markdown_extensions
Merge pull request #2 from cazgp/master

Master