gnucash-on-windows master: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-on-windows/commit/58616b7f (commit)
	 via  https://github.com/Gnucash/gnucash-on-windows/commit/f118eaca (commit)
	 via  https://github.com/Gnucash/gnucash-on-windows/commit/2a61fd4b (commit)
	from  https://github.com/Gnucash/gnucash-on-windows/commit/2577cc5c (commit)



commit 58616b7fc4493e1cad616b907457343ebddf7c56
Merge: f118eac 2577cc5
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Oct 19 11:57:40 2017 -0700

    Set Powershell's output encoding to UTF8.
    
    So that Inno Setup's output in the build log is intelligible.

commit f118eaca662169f31591444b37d590e114d56522
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Oct 19 11:27:50 2017 -0700

    Turn off debugging output from bash-command function.

commit 2a61fd4bdbd9ecc3eedc7b05e99eb8c03d3005a3
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Oct 19 11:19:04 2017 -0700

    Use system.net.downloadfile instead of invoke-webrequest.
    
    Fixes bug 787177.



Summary of changes:
 buildserver/build_package.ps1 | 4 ++++
 setup-mingw64.ps1             | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)