CONFIG: incorrect location for site appbin, libbin (fixes #1270)

- still had old WM_PROJECT_VERSION settings instead of FOAM_API
  for FOAM_SITE_APPBIN and FOAM_SITE_LIBBIN locations.

etc/config.csh/settings

@@ -160,8 +160,8 @@ else
 endif
 
 # Shared site (group) executables/libraries
-setenv FOAM_SITE_APPBIN "$siteDir/$WM_PROJECT_VERSION/platforms/$WM_OPTIONS/bin"
-setenv FOAM_SITE_LIBBIN "$siteDir/$WM_PROJECT_VERSION/platforms/$WM_OPTIONS/lib"
+setenv FOAM_SITE_APPBIN "$siteDir/$FOAM_API/platforms/$WM_OPTIONS/bin"
+setenv FOAM_SITE_LIBBIN "$siteDir/$FOAM_API/platforms/$WM_OPTIONS/lib"
 
 # User executables/libraries
 setenv FOAM_USER_APPBIN "$WM_PROJECT_USER_DIR/platforms/$WM_OPTIONS/bin"

etc/config.sh/settings

@@ -155,8 +155,8 @@ else
 fi
 
 # Shared site (group) executables/libraries
-export FOAM_SITE_APPBIN="$siteDir/$WM_PROJECT_VERSION/platforms/$WM_OPTIONS/bin"
-export FOAM_SITE_LIBBIN="$siteDir/$WM_PROJECT_VERSION/platforms/$WM_OPTIONS/lib"
+export FOAM_SITE_APPBIN="$siteDir/$FOAM_API/platforms/$WM_OPTIONS/bin"
+export FOAM_SITE_LIBBIN="$siteDir/$FOAM_API/platforms/$WM_OPTIONS/lib"
 
 # User executables/libraries
 export FOAM_USER_APPBIN="$WM_PROJECT_USER_DIR/platforms/$WM_OPTIONS/bin"