geotools/geotools — pull request #530 by n-lagomarsini (2014-08-18 10:58:19+00:00)
Title: [GEOT-4859]BandMerge operation should not add alpha band by default (Backport on 11.x)

Backport on 11.x branch of the JIRA: http://jira.codehaus.org/browse/GEOT-4859.