PlatformIO-based manifest file

Web: http://platformio.ikravets.com/#!/lib/show/MSP430-ShiftBrite
Docs: http://docs.platformio.ikravets.com/en/latest/librarymanager/index.html
Add examples field
Fix example globs
Merge pull request #2 from ivankravets/patch-1

PlatformIO-based manifest file