Changed commentary output of Allwamke.firstInstall

Allwmake.firstInstall

@@ -3,9 +3,17 @@ cd ${0%/*} || exit 1    # run from this directory
 
 if [ "$PWD" != "$WM_PROJECT_DIR" ]
 then
+    echo
     echo "Error: Current directory is not \$WM_PROJECT_DIR"
-    echo "    The environment variable are not consistent with the installation."
-    echo "    Check the OpenFOAM entries in your dot-files and source them."
+    echo "    The environment variables are not consistent with the installation."
+    echo "    Please source configuration files."
+    echo 
+    echo "Examples:"
+    echo "    bash: . etc/bashrc"
+    echo "    tcsh: source etc/cshrc"
+    echo 
+    echo "    If you sourced the configuration files, please check the 'foamInstall' entry."   
+    echo
     exit 1
 fi