Initial Commit of wixbuild for a 32 bit installer.

Initial Commit of wixbuild for a 32 bit installer.

Includes:
  Sources for (32 bit) merge modules for:
    Curl
    FastCGI
    Log4Shib
    OpenSAML (with <Fragment/> for schemas which can be shared with x64)
    OpenSSL
    Shibboleth
    Xerces
    XMLSec
    XMLTooling  (with </Fragment/> for schemas which can be shared with x64)
    Zlib

  <Fragments/> for the SP architure specific and architecture neutral parts.
  A test file to pull this all together