Update packer 0.6.0 and parallel builds description
Copy centos-6.5 for scientific-6.5
Add setting for scientific linux 6.5
Change the publick key URL for vagrant
Add setting for scientific-6.4
Merge pull request #8 from ringohub/feature/scientific-6.5

Add template for Scientific Linux 6.5
Merge pull request #9 from ringohub/feature/scientific-6.4

Add template for Scientific Linux 6.4
Fix github url.
Merge pull request #10 from heavenshell/fix_authorized_keys_url

Fix github url.
Add CentOS 7.0.
Merge pull request #11 from heavenshell/feature_centos7

Add CentOS 7.0.
Bump up test packer version
Fix typo
Add Scientific Linux 7.0
Merge pull request #13 from heavenshell/feature_sl7

Add Scientific Linux 7.0