Merge pull request #19 from reixd/master

Fix "warning: binary constants are a GCC extension".
Fix mistake in new code

All I can say is it compiled in IDE 1.5.7...
Merge pull request #21 from reixd/examples

Select a standard pin layout for the examples and update README files.
RPi B+ Update to BCM2835 V1.37

http://www.airspayce.com/mikem/bcm2835/bcm2835-1.37.tar.gz

- Merge with latest BCM2835 driver changes
- Should allow full support for RPi B+ but is untested
RPi B+ Update to BCM2835 V1.37

http://www.airspayce.com/mikem/bcm2835/bcm2835-1.37.tar.gz

- Merge with latest BCM2835 driver changes
- Should allow full support for RPi B+ but is untested

... not sure why the .h file was left out the first time...
Change delay and sleep functions