Allow overriding version

Not everyone likes v0.0.0.  While it's trivial to change, the other
reason for this is scenario when user just updates (re-builds) the
meta-data.

src/newstub

 
         */mkit.ini|mkit.ini)
             echo "[project]"
-            echo "    version     = 0.0.0"
+            echo "    version     = $Version"
             test -n "$Codename"     && echo "    codename    = $Codename"
             test -n "$NiceName"     && echo "    name        = $NiceName"
             test -n "$Tagline"      && echo "    tagline     = $Tagline"
         echo "    -l LICENSE    your options's license (see -L)"
         echo "    -m MAINT      project maintainer's name and e-mail"
         echo "    -v URL        URL to public code browser"
+        echo "    -V VERSION    initial version (default: 0.0.0)"
         echo "    -a            enable autoclean ('make clean' after"
         echo "                  each 'make install')"
         echo "    -g            make git commits before and adter"
     local Tagline           # project tagline
     local Maintainer        # project maintainer (Name + e-mail)
     local VcsBrowser        # VCS browser (eg. GitHub URL)
+    local Version=0.0.0     # project version
     local AutoClean=false   # touch .mkit/autoclean?
     local MkCommits=false   # create pre/post git commits?
     local Force=false       # go without asking?
         -l) License=$2;         shift 2 || usage ;;
         -m) Maintainer=$2;      shift 2 || usage ;;
         -v) VcsBrowser=$2;      shift 2 || usage ;;
+        -V) Version=$2;         shift 2 || usage ;;
         -M) MkMakefile=false;   shift ;;
         -R) MkReadme=false;     shift ;;
         -a) AutoClean=true;     shift ;;