appscale-tools 2.0

Update to latest stable release, update resources, change single
quotes to double.

Closes #30508.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
libtasn1 4.0

Update to latest stable release.
appscale-tools: add 2.0.0 bottle.
libtasn1: update 4.0 bottle.