DERBY-6387: Incorrect ordering of triggers in dblook

Order the triggers by the CREATIONTIMESTAMP column so that dblook
produces a script that recreates the triggers in the same order as
they were originally created.

git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1551940 13f79535-47bb-0310-9956-ffa450edef68