Refactor Order

Squashed commit of the following:

commit c3d677d31f60400a0d2744b494f98294117d748d
Author: Nikola Savic <NikolaSavic@gmail.com>
Date:   Sun May 18 16:39:03 2014 -0400

    Refactor Order#to_s

    -Add a couple helper methods
    -Extract repeated sector code
Refactor Parser and Order spec files
modified:   spec/order_spec.rb
modified:   spec/parser_spec.rb
Merge branch 'development' into orders
Add specs for build/disband
Refactor Order#to_s to support BUILD/DISBAND

-Refactor to_s into smaller method calls
-Remove superfluous 'return' statements
-Update Order Spec file to test to_s

modified:   lib/diplo/order.rb
modified:   spec/order_spec.rb