GithubMeta doesn't let us point to RT for bugs, which is annoying
Add some useful dzil plugins

[InstallGuide]
[MetaJSON]
[NextRelease]
[ContributorsFromGit]
[CheckPrereqsIndexed]
[@Git]
Explicitly require test module prereq versions
There's no need to declare prereqs with AutoPrereqs
Use NextRelease plugin for Changes
Add .gitignore