Add data/ to cvsignore and create the data directory at install-time.

webtools/litmus/.cvsignore

@@ -1,3 +1,3 @@
 tags
 localconfig
-
+data

webtools/litmus/populatedb.pl

@@ -23,6 +23,9 @@
 use strict;
 
 BEGIN {
+	unless (-e "data/") {
+    	system("mkdir data/");
+    }
     unless (-e "localconfig") {
          open(OUT, ">localconfig");
          print OUT <<EOT;