Merge branch 'release-1.20'
install rsync and symlink /vagrant
added README-rsync.md
Merge pull request #90 from StefanScherer/install_rsync

Install rsync
Updated changelog to reflect changes in the last week
Updated changelog date
Referenced issue number for RDP issue
Fixes issue where SSH connects before Windows Updates installs and does not allow Updates to finish. joefitzgerald/packer-windows#59
Merge pull request #96 from kensykora/issues-59

Fixes issue where SSH connects before Windows Updates installs and does ...