Fix gpg-agent for use with GPGTools2

Remove command-line focused version and use the built in tools provided by
GPGTools2. Add a setup function which will populate the gpg-agent.conf
with compatible settings for GPGTools2
Autosign mutt emails
Fix GMail folders in mutt
unset resolve setting in mutt
Add NOTES to global gitignore
Fix whitespace in gitconfig
Add push aliases to gitconfig
Add proper diff tool in gitconfig
Fix help for pano tools

There were big changes in how perl and cpan work on mavericks.
Fixed documentation.