Merge branch '5-replace-set-family-with-module-addgroup-in-build-scripts' into 'master'

Resolve "replace set-family with module-addgroup in modulefile

Closes #5

See merge request Pmodules/buildblocks!4

Programming/gcc/modulefile

@@ -17,7 +17,7 @@ This module includes compilers for
 - Fortran
 "
 
-set-family	"Compiler"
+module-addgroup "Compiler"
 
 setenv		CC			$PREFIX/bin/gcc
 setenv		CXX			$PREFIX/bin/g++

Programming/pgi/modulefile

@@ -8,7 +8,7 @@ module-url		"http://www.pgroup.com"
 module-license		"The Portland Group, Oracle (Java), NVIDIA (CUDA), contains third party software"
 module-maintainer	"Hans-Christian Stadler <hans-christian.stadler@psi.ch>"
 
-set-family	"Compiler"
+module-addgroup	"Compiler"
 
 set 		ARCH_VERSION	linux86-64/$env(PGI_VERSION)