V1.0.0

Bug reports have slowed down so I think it's time to move V1 out of the Release Candidate phase. New for this release is also an X86-64 package.

Copy of changelog:
1.0.0
* finally, v1.0.0 release!
* rename package to librobotcontrol
* extended SPI interface
* extended model interface to detect Rpi and PC
* add x86_64 package
* add more manual pages to documentation
* new slack workspace!
* update serial IO to use size_t for consistency
* add workaround for BB pwm frequency changes
* backwards compatability links for roboticscape
* lots of little bugfixes