switch to dzil Git::GatherDir

This puts any file in the git repo into the resulting dist, which makes
it easier to add the right things

dist.ini

@@ -18,37 +18,34 @@ bugtracker.web          = https://github.com/preaction/Term-FormatColumns/issues
 repository.type         = git
 
 ; --- Module management
-[@Basic]
-[ManifestSkip]
+[@Filter]
+-bundle = @Basic
+; GatherDir must be configured separately
+-remove = GatherDir
+
 [ReadmeFromPod]
 [ReadmeMarkdownFromPod]
 [PodWeaver]
 [PkgVersion]
 [ModuleBuild]
 [CPANFile]
 [Git::Contributors]
-; authordep Pod::Weaver::Section::Contributors = 0.009
+; authordep Pod::Weaver::Section::Contributors
 
 ; --- Repository management
-[PruneFiles]
-; Remove unnecessary root content from the generated dist package
-; hidden files
-match = ^\..+
-; .ini files in the root dir
-match = ^[^/]+\.ini$
-; the eg/ directory
-match = ^eg/.*
-
-[Run::BeforeBuild]
-; Remove generated root content so it can be regenerated
-run = rm -f cpanfile
-run = rm -f INSTALL
-run = rm -f LICENSE
-run = rm -f CHANGES
-run = rm -f README
-run = rm -f README.mkdn
-run = rm -f Build.PL
-run = rm -f Makefile.PL
+[Git::GatherDir]
+include_dotfiles = 1
+prune_directory = ^eg
+; Exclude generated root content, which is included by the various plugins
+; Without this, we get an error about duplicate content
+exclude_filename = cpanfile
+exclude_filename = INSTALL
+exclude_filename = LICENSE
+exclude_filename = CHANGES
+exclude_filename = README
+exclude_filename = README.mkdn
+exclude_filename = Build.PL
+exclude_filename = Makefile.PL
 
 [ChangelogFromGit::CPAN::Changes]
 ; Create a changelog from the git repository commits