Update p5-CGI-Application-Plugin-DevPopup to 1.08.

Changes from previous:
----------------------
1.08    2013-01-18  Rhesa Rozendaal <rhesa@cpan.org>
    - typo fix (RT69672)

1.07    2011-07-17  Rhesa Rozendaal <rhesa@cpan.org>
    - Document HTTPHeaders output

1.06    2010-01-10  Rhesa Rozendaal <rhesa@cpan.org>
    - Better XHTML (Alexandr Ciornii)

1.05    2010-01-07  Rhesa Rozendaal <rhesa@cpan.org>
    - Added repository to META.yml. No code changes.

1.04    2009-12-25  Rhesa Rozendaal <rhesa@cpan.org>
    - RT #53100 (Serguei Trouchelle)

1.03    2009-10-20  Rhesa Rozendaal <rhesa@cpan.org>
    - RT #50096 (Serguei Trouchelle)
    - RT #42315 (Lyle Hopkins)

1.02    2009-01-15  Rhesa Rozendaal <rhesa@cpan.org>
    - Moved to Dist::Zilla
    - Migrated repository to github

1.01    2008-10-24  Rhesa Rozendaal <rhesa@cpan.org>
    - RT #35088
    - CPANTS fixes

1.00    2007-09-27  Rhesa Rozendaal <rhesa@cpan.org>
    - added ::Log plugin, kindly provided by Joshua Miller