Removed warning flags, only c++11 support flags remaining
Removed warning flags, only c++11 support flags remaining

lasote/multivariate-splines,ds283/splinter,bgrimstad/splinter,ds283/splinter,ds283/splinter,bgrimstad/splinter,bgrimstad/splinter,bgrimstad/splinter,ds283/splinter,bgrimstad/splinter,ds283/splinter