Fix Gemfile with https for github
Merge pull request #849 from bjorand/fix-gemfile-gh-https

Fix Gemfile with https for github
Fix small typo (mybuntubox -> myubuntubox)
Merge pull request #853 from sunsations/typo

Fix small typo (mybuntubox -> myubuntubox)
Adding CentOS 6.5 templates
Merge pull request #854 from runseb/master

Adding CentOS 6.5 templates
Added Windows 8.1 to known OS types (as Windows81, Windows81_64)
Merge pull request #858 from mormegil-cz/add-win81-ostype

Added Windows 8.1 to known OS types (as Windows81, Windows81_64)
Use debian redirector to receive better mirrors