Add demonstration main file
Remember that custom headers are ONLY in quotes.
Use std::string instead of string (error fix, compiles now)
Validator and config.h changes
Changed HWTemplate.h to config.h
Merge branch 'validator' of https://github.com/JFrei86/hwserver into grading-modules
Merge branch 'validator' of https://github.com/JFrei86/hwserver into grading-modules
config.json generation script
Merge branch 'grading-modules' of https://github.com/JFrei86/hwserver into grading-modules