Added an example and a test of control bit from a different qreg
Created by: tnguyen-ornl
Also, add qubit type to PyQJIT arg type and operator[] binding.
Depends on https://github.com/eclipse/xacc/pull/436
Created by: tnguyen-ornl
Also, add qubit type to PyQJIT arg type and operator[] binding.
Depends on https://github.com/eclipse/xacc/pull/436