Added unzip to .windows/provisions/Makefile
Added missing floppy files and scripts to json files
Numerous cleanups/fixes for floppy and script files

Fixed URLs in ultradefrag.bat
Fixed installation issue in ultradefrag.bat
Fixed 7z call to only extract the files we need
Improved uninstall-7zip.bat
Replaced lessmsi with sevenzip install due to unzip failures in 2012 servercore
Replaced `if exist "%SystemDrive%\Program Files (x86)` with `if defined ProgramFiles(x86)`
Standardized .cmd/.bat headers to include PACKER_DEBUG check
Fixed minor typos
Added the following builds:
	eval-win2008r2-standard
	eval-win2012r2-standard
	win2012r2-standardcore
	win2012r2-standardcore-cygwin
	eval-win2008r2-datacenter-cygwin
	eval-win2008r2-standard
	eval-win2008r2-standard-cygwin
	eval-win2012r2-datacenter-cygwin
	eval-win2012r2-standard
	eval-win2012r2-standard-cygwin
	eval-win7x64-enterprise-cygwin
	eval-win81x64-enterprise-cygwin
Fixed Makefile to allow packer.exe to be renamed
Simplified Makefile by moving cygwin builds into BUILDBOX macro