Conan Recipe

First step is to figure out which GR dependencies are already in conan-center and which aren't

libboost-all-dev - libgmp-dev - doxygen - libfftw3-dev - libsdl1.2-dev - libgsl-dev - libqwt-qt5-dev - libqt5opengl5-dev - liblog4cpp5-dev - libzmq3-dev - gobject-introspection - gir1.2-gtk-3.0 -