New SnareMarch preset and updated KickPower

The snare sounds like it would be used for marching. If you can make it
brighter without making it sound funny, please do...

The kick was too dark for general purpose. Shortened it, raised it in
the frequency range and added more noise.
Merge pull request #1433 from Sti2nd/stable-1.1

New SnareMarch preset and updated KickPower

No objections after a week, merging. -Tres