added pol0 function declaration
generator config files update, added gauss_pol0
renamed gauss_gauss_pol3 to gauss_gauss_pol0 so that it reflects reality
bin width and histogram range getters
updates to generator
added pol0 implementation
renamged 2g+p3 to 2g+p0
updated config files
reordered gauss parameters, added pol0 to look up maps
indentation update