First commit - Working Crazyradio USB dongle driver.

Low level Crazyradio usb dongle driver working. Able to send ping
packets with ACKs received.
Missing commit of saved sln file.
Revert "Missing commit of saved sln file."

This reverts commit b630ec8d411003ddcd1930f349d7eff978b5192c.
Revert "Revert "Missing commit of saved sln file.""

This reverts commit 5332ec35d2f231886294f4abc048a9094fc4ccda.
Revert "Revert "Revert "Missing commit of saved sln file."""

This reverts commit 542bb1e67a044ffcad862659f8c07b1002667d3c.
Revert "Revert "Revert "Revert "Missing commit of saved sln file.""""

This reverts commit fbb53e82470840865527f2ce1f0be2379a3fa8ea.
Merge branch 'master' of https://github.com/ckarcz/CrazyflieDotNet