reflect r13487 and r13488 svn:ignore changes to .hgignore and .gitignore (#8817)

git-svn-id: https://svn.redmine.org/redmine/trunk@13492 e93f8b46-1217-0410-a6f0-8f06a7374b81

.gitignore

@@ -20,7 +20,7 @@
 /plugins/*
 !/plugins/README
 /public/dispatch.*
-/public/plugin_assets
+/public/plugin_assets/*
 /public/themes/*
 !/public/themes/alternate
 !/public/themes/classic

.hgignore

@@ -20,7 +20,7 @@ lib/redmine/scm/adapters/mercurial/redminehelper.pyo
 log/*.log*
 log/mongrel_debug
 public/dispatch.*
-public/plugin_assets
+public/plugin_assets/*
 tmp/*
 tmp/cache/*
 tmp/pdf/*