Remove t/pod.t in favour of PodSyntaxTests

This is an author tests, and won't prevent users from installing the dist
with newer version of Test::Pod. The problem that triggered the change was a
failed install because newer Test::Pod test encodings and  the .pm file was
missing `=encoding` directive
Add .build to gitignore
Change from # to ; for comments in dist.ini

The fact that # worked is purely incidental, as ; is the comment marker
in dist.ini files.
Change to new names for two test plugins
Add MYMETA to MANIFEST.SKIP
Add missing =encoding statement to pm-file
Merge pull request #1 from omega/update-dist

Update dist to new dzil, fix pod tests