Use boolean to decide whether LICENSE.md should be deployed

Being consistent leads to much more readable code.

src/newstub

             echo ""
             echo "[files]"
             echo "    bin      = src/$PackageName"
-            test -n "$License" && echo "    doc      = LICENSE.md"
+            $MkLicense && echo "    doc      = LICENSE.md"
             $MkReadme          && echo "    doc      = README.md"
             echo ""
             echo "#mkit version=$MKIT_VERSION"
             echo 'Release:	1%{?dist}'
             echo 'Summary:	__MKIT_PROJ_NAME__ - __MKIT_PROJ_TAGLINE__'
             echo ''
-            echo "License:	$License"
+            $MkLicense && echo "License:	$License"
             echo 'Source0:	%{name}-%{version}.tar.gz'
             echo ''
             echo 'BuildArch:	noarch'
         $MkPackaging        && echo " *  'packaging' directory (pass -P to avoid)"
         $MkMakefile         && echo " *  'Makefile' (pass -M to avoid)"
         $MkReadme           && echo " *  'README.md' (pass -R to avoid)"
-        test -n "$License"  && echo " *  'LICENSE.md' (omit -l to avoid)"
+        $MkLicense      && echo " *  'LICENSE.md' (omit -l to avoid)"
         echo " *  'mkit.ini'"
         echo ""
         read -p "Type 'yes' to proceed: " -r response
     local MkReadme=true     # create README.md?
     local MkMakefile=true   # create Makefile?
     local MkPackaging=true  # create packaging templates?
+    local MkLicense=false   # create LICENSE.md file
     while true; do case $1 in
         -n) NiceName=$2;        shift 2 || usage ;;
         -b) RelSrc=$2;          shift 2 || usage ;;
     if test -n "$License"; then
         known_licenses | grep -qxF "$License" \
          || die "unknown license (use -L to get list): $License"
+        MkLicense=true
     fi
     if $MkCommits; then
         mkcommit_backup || die "failed creating backup commit"
     deploy src/"$PackageName".skel
     $MkMakefile        && deploy Makefile
     $MkReadme          && deploy README.md
-    test -n "$License" && deploy LICENSE.md
+    $MkLicense      && deploy LICENSE.md
     $AutoClean         && deploy .mkit/autoclean
     $MkPackaging       && deploy_packaging
     if $MkCommits; then