added patch to convert tables to utf8

erpnext/patches/jan_mar_2012/convert_tables_to_utf8.py

@@ -0,0 +1,11 @@
+import webnotes
+
+def execute():
+	sql = webnotes.conn.sql
+	
+	sql("commit")
+	sql("set foreign_key_checks=0")
+	for tab in sql("show tables"):
+		sql("ALTER TABLE `%s` CONVERT TO CHARACTER SET utf8" % tab[0])
+
+	sql("set foreign_key_checks=1")