Merge pull request #20 from garrettdalton/master

add drag and increased jump of bear sprite
edit readme file with info
Merge pull request #21 from CothOmega/master

edit readme file with info
added snow; added fish; added impacting falling objects
Merge pull request #22 from ryanstorberg/master

added snow; added fish; added impacting falling objects
added angle velocity to particles
Merge pull request #23 from ryanstorberg/master

added angle velocity to particles
started iceberg obstacle
Merge branch 'master' of https://github.com/woolly-bear-caterpillars-2014/polar-bear-panic