simplify documented example of file-attaching

closes #1
correct documentation of the transport method

closes #1
fix naming of the second "send" method: send_or_die

closes #2
dzilify
this test does die for me, remove TODO
remove underscores from test names
v0.003

          correctly implement the send_or_die method (thanks, Ross Attrill!)

          documentation corrections (thanks, Ross Attrill!)

          repackage using Dist::Zilla
Merge branch 'Email-Stuffer-RJBS/master'
Renamed in RJBS commit