Upgrade to commons-parent version 15
Upgrade to commons-parent version 15

git-svn-id: a1b7e5752b90c3484045841fa3db61cc5efa3e32@936207 13f79535-47bb-0310-9956-ffa450edef68

apache/commons-imaging,yuuhayashi/commons-imaging,apache/commons-imaging,mohanaraosv/commons-imaging,yuuhayashi/commons-imaging,SpiralsSeminaire/commons-imaging,mohanaraosv/commons-imaging,SpiralsSeminaire/commons-imaging