A minor release of chipKit-core to v2.1.0. Includes the following changes:
- Added three new boards: chipKIT MZ Lite, chipKIT Pro MZ, Project Gamma
- Fix spelling of __PIC32_HAS_L1CACHE
- Fix D8 and D9 for Olimex Pinguino32 OTG board, Rev. D
- Fixed software interrupt generation
- Added required storage component for long filenames to actually work
- USB CDC ACM speedups