Declare dependencies in Makefile.pl

Installation of the distribution was failing because
its dependencies were not declared.
Update Manifest

This commits adds the files that were missing from the manifest.
It also renames ignore.txt to MANIFEST.SKIP and adds MANIFEST.SKIP
and .git/* to satisfy t/manifest.t.
Fix filename of README in t/boilerplate.t

Fixes filename from README to README.pod.
Make t/pod-coverage.t an author test

This test is currently failing and preventing installation.
Add Github repository to MakeFile.pl
Merge pull request #1 from ispedals/bugfixes

Distribution Improvements