#1138 Renamed QPOasesInternal --> QpoasesInterface
#1138 Renamed IpoptInternal --> IpoptInterface
#1138 Renamed CSparseInternal --> CsparseInterface
#1138 Renamed LapackLUDenseInternal --> LapackLuDense, ...QR... --> ...Qr...
#1138 Renamed IdasInternal --> IdasInterface
#1138 Renamed CVodesInternal --> CvodesInterface
#1138 Renamed KinsolInternal --> KinsolInterface
#1138 Renamed SundialsInternal --> SundialsInterface
#1138 Fixed lint