fixed prints in python scripts used during cmake
Revert "fixed prints in python scripts used during cmake"

This reverts commit c24798f7c3887437c48f98b0c58fb93ae879d8d4.

Changes to ignore list, weren't meant to be committed.
fixed prints in python scripts used during cmake
change PyString to PyBytes (old 8-bit string type, PyUnicode already covered) and change of ob->ob_type to Py_TYPE(ob)
Change all print statements to Python 3 function type.
for loop already cleaned up s.
Run 2to3 PyGMO -x print -w -n.
Link to libboost_python3.
Fix imports as 2to3 does not detect unbuild shared objects.
Select proper libboost_python version based. Lays basis for different PyGMO source folders.
Move new source to PyGMO3 folder
Copy PyGMO Python 2.7 source from development.
Enable PyGMO3 source in CMakeLists.txt
[New Feature] Quadrature encoding
Crucial fix to previous commits.
Add better Python detection and ability to change PYGMO_PYTHON_VERSION in ccmake.
Fix header of moead.h.
Remove duplicate pade.h entry.
Fix error with abs vs std::abs.
quadrature encoding exposed to python