initial code, docs, tests
remove use of Module::Metadata - now just scan the file for qr/^__DATA__/
strip out all the useless code to handle compilation before templating
new "file" option, for specifying the filename(s) to munge directly
pass through all additional arguments as-is to the template
also ensure we can operate on non-loadable files, which may not have a data section
make release tests pass (/p in regexp requires 5.010)
Dist-Zilla-Plugin-MungeFile-WithData-0.002

          - simplified code, and greatly simplified use, by no longer loading
            the target file before applying the templating