put player directory on PYTHONPATH

direct/src/configfiles/direct.init

@@ -1,3 +1,9 @@
 ATTACH dmodels
 ATTACH panda
 MODREL ETC_PATH etc
+DOCSH set parent=`dirname $DIRECT`
+DOCSH if ( ${?PANDA_ROOT} ) then
+DOCSH   setenv PYTHONPATH "$PYTHONPATH;"`cygpath -w "$parent"`
+DOCSH else
+DOCSH   setenv PYTHONPATH "$PYTHONPATH;$parent"
+DOCSH endif