Merge pull request #31 from axsh/clearup

add a header comment.
centos: 6.4 -> 6.5.
Merge pull request #32 from axsh/update-to-centos6.5

centos: 6.4 -> 6.5.
update README.
Merge pull request #33 from axsh/docs

update README.
clean metadata before building rpm packages.
Merge pull request #34 from axsh/clean-metadata

clean metadata before building rpm packages.
set baseurl.
Merge pull request #35 from axsh/set-baseurl

set baseurl.
move download_3rd_party from tests/vdc.sh.d/rhel/3rd-party.sh.
Merge pull request #36 from axsh/remove-download-phase-dependency

move download_3rd_party from tests/vdc.sh.d/rhel/3rd-party.sh.
fix expanding variable.
remove unnecessary code.
change curl option.
fix here-document.
move vendor_dir into download_3rd_party.
Merge pull request #37 from axsh/remove-download-phase-dependency

Remove download phase dependency
fix expanding variable.
Merge pull request #38 from axsh/remove-download-phase-dependency

fix expanding variable.
remove unnecessary code.