v2.0.0

Added

• One git branch per operative system:
  • currently debian-ubuntu and mac-osx
  • removes portability issues of any configuration file or script
  • allows scalability to more operative systems
  • one operative system simply stays on its branch all the time without
    caring for others
• Explicit license header in every file, except Markdown files

Changed

• Typo in LICENSE.md (missing "the copyright holder")
• Adapted README.md to the new branches

Removed

• Portability of operative-system specific scripts
• Anything except README.md, LICENSE.md and CHANGELOG.md from master
  branch

Fixed

Nothing.