tighten up entries
Pod::Weaver 4 includes [-SingleEncoding]
remove unneeded plugin
bump prereq version for Test::Warnings (for anyone who is copying this code) to get more reliable :no_end_test
add some keywords to metadata
the executable now lives in the new dist for App::CPANTS::Lint
delete tests for now-shelved TB2 before the indexed version of the new code path reaches 1.005
MCA 0.93_01 added core metric has_abstract_in_pod
Test-Kwalitee-1.19

    - kwalitee-metrics script now includes the module version as well as the
      name, for each metric provided
    - remove test that is rendered invalid with upcoming changes to
      Test::Builder (1.005+)
    - document new metrics added in Module::CPANTS::Analyse 0.93_01