Add some documentation and workaround for swift pip-cache
improving documentation for the create_user_and_dirs/pfs_and_install_deps definitions
Some more workaround for swift
Merge branch 'feature/pfs-folsom/master' of git://github.com/dellcloudedge/barclamp-git

Conflicts:
	build/build.rb
Merge branch 'master' of github.com:MirantisDellCrowbar/barclamp-git
Improve build scripts for downloading fresh python-swiftclient
Merge branch 'master' into master

Conflicts:
	build/build.rb
Merge pull request #6 from MirantisDellCrowbar/master

updating feature/pfs-folsom/master with the latest code
pip2pi needs to be installed as root
Merge pull request #7 from aabes/pull-req-feature-pfs-folsom-master-92b250cedd0aa49cf6d00c96501dee04b8872515

smoked build [1/2]