Fix to build in Xcode 5.1 on OS X 10.9
Switch to ARC
Fix copy to library when building
Update ChemDoodle Web Components to v6.0.0
Change README to markdown
Remove references to ChemDoodle libs file
Use NSURL instead of CFURLRef to make things easier
Switch from babel to obabel
Rewrite main preview generation code
Allow both 2D and 3D previews
Attempt to display unit cell for CIF

Not quite there yet - the display code is commented out.
Improve molecule scaling on canvas
Add troubleshooting info to README
Improve string escaping for template
Extend file format coverage

Added some more formats that Open Babel is able to read, and added some alternative file extensions and mime-types for existing formats.
Minor tidy up
Make header comments consistent
Fix memory leak when casting from CFURLRef to NSURL

If a CFURLRef is created and then cast to an NSURL, the CFURLRef needs to be released. This is done through a `__bridge_transfer` which tells ARC to release it for us.
Remove log statements
Merge pull request #1 from mcs07/master

Modernize project, use ChemDoodle JSON, add 2D previews