Merge pull request #2 from neophob/master

minor updates
Merge branch 'master' of https://github.com/scottjgibson/PixelPi

Conflicts:
	pixelpi.py
Restructuring and cleanup
Cleanup
Add Colors closes: #6
Many bug fixes
adding pan mode; work in progress
closes #4 closes #7
Update README.md

Cleanup formatting
Adding some pixelinvader stream processing code:  Apply gamma settings for LDP8806 chip. Tweak the brightness as the blue LEDs on my chains are very bright compared to the red and green.
Fixing two problems with chase: An extra LED would be used.  The LED after the amount specified is turned off each time.  Not needed.
Merge pull request #9 from hydra/pixelstreamtweak

Adding some pixelinvader stream processing code:  Apply gamma settings f...
Merge pull request #10 from hydra/chasefix1

Fixing two problems with chase: An extra LED would be used.  The LED aft...
Fixing name of chip, should be LPD8806, was LDP8806
Merge pull request #11 from hydra/chipnamefix

Fixing name of chip, should be LPD8806, was LDP8806
Adding support for LPD6803
merge hydra/lpd6803
add batch function to array mode; now if you specify the filename filelist.txt the images will display in that order
Fix LDP8806 support
Fix chase function