change project name to PedalPDX

Our original name, Pedal Portland, was less original than we hoped.
There are several other Pedal Portland projects out there. There do not
appear to be any PedalPDX projects, however, and given the university's
domain name, we decided to rename our project.

Close #19 rename organization to PedalPDX
Merge pull request #42 from PedalPDX/rename2

change project name to PedalPDX
Icon and data sending seem to work after the move/rename
close #42