Log Message:
Update to 2.30

Upstream changes:
2.30    Sun Jan  7 22:02:25 CST 2018
    No changes since 2.27_03.

2.27_03 Wed Jan  3 17:07:07 CST 2018
    [FIXES]
    Removed the text-invalid-entity and attr-invalid-entity, which were
    for entities that had an invalid numeric value, anything greater
    than &#65536.  There is no longer a restriction on the numeric values
    of HTML entities. (GH#60)

2.27_02 Wed Dec 27 11:46:28 CST 2017
    There are be no functionality changes since 2.27_01.

    [INTERNALS]
    Many Perl::Critic cleanups.

2.27_01 Fri Dec 22 15:54:32 CST 2017
    [ENHANCEMENTS]
    Adds checking of entities in attributes, not just text.  Thanks,
    Klaus S. Madsen.

    [FIXES]
    Calling ->parsefile() would generate an error.  Thanks, Shlomi
    Fish. (GH#58)

    [INTERNALS]
    Prepare for perl 5.26.0 which removes '.' from @INC.  Thanks,
    Jim Keenan.

    Fix disttest target.  Thanks, Shlomi Fish.