Gui bucket by default because it's confusing and in
most cases the bitmap text would have inherited that
bucket from its parent if it were appropriate. Unless
someone educates me as to the error of my ways.
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7156 75d07b2b-3a1a-0410-a2c5-0572b91ccdca