https://github.com/datagovuk/dgu-vagrant-puppet/issues/19

Added redis-2.9.1.tar.gz
Replaced git checkout release-v2.0.1-dgu with  git checkout release-v2.2-dgu
https://github.com/datagovuk/dgu-vagrant-puppet/issues/20

Added checkout  of master branch for ckanext-report
https://github.com/datagovuk/dgu-vagrant-puppet/issues/17

Added --pre switch in pip install...
Revert "https://github.com/datagovuk/dgu-vagrant-puppet/issues/17"

This reverts commit 7240641124a5ae0eeda569ac1f0d285e30bf402e.
https://github.com/datagovuk/dgu-vagrant-puppet/issues/17

Added --pre switch to pip install
Merge branch 'vladimirzd-togo' of github.com:VladimirZD/dgu-vagrant-puppet into togo
Am not sure about the pre-release thing for all pip commands.