change underscore to dot to allow underscore in parameters names for gaf etc.
fix of one possible problem
allow underscore in run-time auto mapped variables; added tests
added test to allow underscore in parameter names
Merge pull request #622 from georgebyelas/master

underscore to dot refactoring
added garbage with workflows back to assembly
Merge pull request #623 from georgebyelas/master

added garbage with workflows back to assembly; workflow directory should be cleaned in github