NixLoader: renaming paths

  * using namespaces
  * rename paths to classes
  * fix loading
  * commenting
AutoLoader: namespaces
RobotLoader: namespaces and commenting

  * use better namespaces
  * commneting void methods
  * fix register callback
  * indentation
Nix framework loader

  * require needed files (not used in class files any more)
  * remove frameworkUrl function (part of application call)
Common Object: commenting and indentation
Moved framework files to separate source repository