rebase: rename "target" to "destination" in messages
The help text for rebase calls it "the destination" (never "target"),
so let's use that in messages as well.
FROM centos:centos6
RUN yum install -y gcc
RUN yum install -y python-devel python-docutils
RUN yum install -y make
RUN yum install -y rpm-build
RUN yum install -y gettext
RUN yum install -y tar
# For creating repo meta data
RUN yum install -y createrepo