Checkpoint: Rewriting to use the pinto command, instead of API.
Rewrite tests without using Pinto::Tester.
More tests to verify log messages.

I'm using them as a proxy to test what really happened,
because testing the repository itself without Pinto::Tester
is hard.
Get rid of the custom installer.

I should probably offer to install pinto if it
is not installed or too old.  But I'm not going
to bother with that for now.
Rename to private method.
Not shipping this to our pinto repo anymore.
Remove trailing whitespace.
Put code for finding pinto into separate subs.

This is so we can call them from our build script.
Custom builder.

Checks that pinto is installed.
Remove unused type, document pinto_exe attribute.
Configure custom builder in dist.ini

This means we need addtional prereqs at configure/build time.
Remove trailing whites.
Regenerate README
Update change log.
Remove trailing spaces.
Show pinto_exe configuration in synopsis.