- Remove unused variable

Signed-off-by: Jan Nemecek <Nemecek.Jan@seznam.cz>
cGangs.cpp/.h
- Initialization of class variables put into constructor initialization list
- Deleted copy/assignment, implemented assignment op. for sGang

Signed-off-by: Jan Nemecek <Nemecek.Jan@seznam.cz>
- Deleted copy constructors/assignment operators where possible.

Signed-off-by: Jan Nemecek <Nemecek.Jan@seznam.cz>