Adding build environment for the ffnet package.

puppet/modules/ffnet/manifests/init.pp

+class ffnet {
+#
+# CDF library RPM build
+#
+    package { 'numpy': ensure => 'latest' }
+    package { 'numpy-f2py': ensure => 'latest' }
+    package { 'gcc-gfortran': ensure => 'latest' }
+    package { 'ncurses-devel': ensure => 'latest' }
+}