List#find takes 1 or 2 arguments #7

Closes #7
Makes default Rake task 'spec'
Adds 'yard' Rake task
Cleans up Rakefile and spec_helper #9
Adds pending specs #9
No need to require rubygems
Adds aruba #9
Improves help format and makes help easier to scan
Improves task selection api help docs
Adds initconfig command #30

config needs to be loaded before every command.
This could be simpler with a pre/post hook in Commander.
Fixes GithubTask.url, to_s, output
'Round these parts we use markdown and call a Changelog a Changelog
Updates README

Adds Contributing and Copyright sections that point to more
detailed documents.
Adds List#find specs #9

Closes #9
Cleans up require statements
Moves verbose output into Task classes
Moves Github import of issues into GithubTask
MOAR whitespace
Adds: Pomo::List#find accepts multiple args #12

Closes #12
Adds move command #18

Feature inspired by @langhorst's pull request.

Closes #18