CO 4.8.2: new cameras supported

From the release notes:
- Image Quality improvements
o Improved P65+ and P40+ image quality for some shooting conditions.

- Bugfixes
o Fixed Live Preview issues on Mac.
o Improved stability.

- Camera Support
o Canon 500D
o Pentax K7
o Nikon D5000
o Nikon P6000
o Olympus E-450
o Olympus E-P1
o Sony DSLR-A230
o Sony DSLR-A330