Add languages/names to Languages.json

- Switched "sysadmin" from C to Shell
- Switched C to "low-level hacker"
- Switched C++ to something less disparaging. This tool
  gauges F/OSS contribution -- implying that anyone is 
  a corporate slave based on language choice only hurts
  community and isn't likely to be accurate, as time of
  day or contribution to organizations would be better
  indicators.
- Added several languages. Took a guess on a few