Log Message:
Update to 1.06
Add LICENSE

Upstream changes:
Release 1.06.

	New 'mydist' Makefile target to sign and build a tarball.

	Pass ABSTRACT, AUTHOR, LICENSE and MIN_PERL_VERSION to
	ExtUtils::MakeMaker::WriteMakefile().

	Correctly set $VERSION that doesn't trigger warnings:
	https://rt.cpan.org/Ticket/Display.html?id=89020

	Update documentation to include the URL to the project's new
	source code repository at github.com:
	https://github.com/blair/perl-math-interpolate

	Update author contact email address.