NO-JIRA: Use better logic to locate Visual Studio vcvars on 32-/64-bit systems
Emit a make-install.bat. Install failures from within VS gui are hidden
but are in plain sight from the command line.
Fix a couple of bad references to boost root directory.
Turn off INSTALL_QMFGEN to preclude install failures
Replace hard tabs with spaces.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1580210 13f79535-47bb-0310-9956-ffa450edef68