Create 12-24-13-pulse.md
Update 12-24-13-pulse.md

Add some headings
Update 12-24-13-pulse.md

Add the who, and how stubs
Update 12-24-13-pulse.md

Who can check the pulse update
Update 12-24-13-pulse.md

pulse modulation
Spelling and capitalize headings
Minor verbage changes
Drop it in the new year!!!
Merge pull request #1 from wlaurance/pulse

Pulse