Rename "transactionpro" table to "transaction"

Summary: Ref T2217. Cleans up the table names. Moves old data to `maniphest_transaction_legacy`. We'll drop that eventually once it's more clear that I didn't break the world.

Test Plan: Did reads/writes to/from these tables.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2217

Differential Revision: https://secure.phabricator.com/D7094

resources/sql/patches/20130923.mrename.sql

@@ -0,0 +1,5 @@
+ALTER TABLE {$NAMESPACE}_maniphest.maniphest_transaction
+  RENAME {$NAMESPACE}_maniphest.maniphest_transaction_legacy;
+
+ALTER TABLE {$NAMESPACE}_maniphest.maniphest_transactionpro
+  RENAME {$NAMESPACE}_maniphest.maniphest_transaction;