renamed vinterp to after_vertint

.gitattributes

src/Cloudlayer.c

src/Derivepar.c

src/Intlevel3d.c

src/Makefile.am

src/Makefile.in

src/Pressure.c

src/Remapeta.c

src/Vertintap.c

src/Vertintml.c

src/Vertwind.c

src/after_vertint.c

src/after_vertint.h