juju-quickstart 1.5.0

Closes #34157.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
juju-quickstart: update 1.5.0 bottle.
Update file URL

Closes #34158.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Modified crosstool-ng to support compiling with grep
Updated --with-grep description, added option to compile with GNU make
crosstool-ng: patch to use regex compatible with BSD grep
crosstool-ng: update to 1.20
crosstool-ng: updated regex patch
crosstool-ng: removed embedded patches, pointed to submitted patches upstream
crosstool-ng: remove optional dep comments
Added URLs to upstream patches in comments.
crosstool-ng: add 1.20.0 bottle.