Parameterized Silent Install

Customers should be able to run a silent install from the command line and only install the printers and checkreaders that they want.

Desire	Command	Result
Install CWS with all printers and checkreaders	`cws.exe /S`	CWS is installed along with all printers and checkreaders.
Install CWS but skip printer installs	`cws.exe /S -SKIP-PRINTER=all`	CWS is installed. Star & Epson printers are not installed. Checkreader is installed.
Install CWS but skip Epson printer install	`cws.exe /S -SKIP-PRINTER=epson`	CWS is installed. Star printer is installed. Checkreader is installed.
Install CWS but skip Star printer install	`cws.exe /S -SKIP-PRINTER=star`	CWS is installed. Epson printer is installed. Checkreader is installed.
Install CWS but skip checkreader install	`cws.exe /S -SKIP-CHECKREADER=all`	CWS is installed. Checkreader is not installed. All printers are installed.
Install CWS but skip printer and checkreader installs	`cws.exe /S -SKIP-PRINTER=all -SKIP-CHECKREADER=all`	CWS is installed. Printers are not installed. Checkreader is not installed.