Make sure rmll2011 data is installed.

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch master
# Your branch is ahead of 'origin/master' by 1 commit.
#
# Changes to be committed:
#   (use "git reset HEAD^1 <file>..." to unstage)
#
#	modified:   setup.py
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#	build/
#	debian/files
#	debian/pycompat
#	debian/sojourner.postinst.debhelper
#	debian/sojourner.prerm.debhelper
#	debian/sojourner.substvars
#	debian/sojourner/
#	python-build-stamp-2.5
