Merge pull request #305 from EmbeddedMan/master

Fix for issue #300
Issue 309 - download hangs
Issue #308 initial code added to support Amazon S3 uploads.
Issue #308 resolved by applying delay(50) in correct location via patch from Gene.
Merge branch 'master' of github.com:chipKIT32/chipKIT32-MAX
Issue #308 updated upload for Windows and Linux. Still need autodetect file extension.
Merge branch 'master' of github.com:chipKIT32/chipKIT32-MAX
Remove dependency on plib
Issue #314 Gene Apperson's code added. Just missed pi day by 24 minutes.
Fixed headers so that they'll compile now. Fix for issue #315. Tested with Fubarino SD v1.3 and USB serial works fine.