Refactor Parser

Squashed commit of the following:

commit d210c21fcd89b9035311ebbb5a92eadfb2ede5e8
    Refactor Parser

    -Remove unnecessary 'return' statements when possible
    -Break up get_action into long and short orders and add comments
    -Remove noise from initialize method

commit 2c57f80f450343dc6412903554939ec3cfa7994e
    Refactor Parser

    -Extract a couple conditionals into methods
    -Add clarifying helper method to format unit types
    -Remove commented code
    -Comment extract_prov
    -Strip trailing whitespace

commit 651553662cd39e7a3c815043623d8fcb08251450
    Refactor get_aux with extract_prov

commit 1584425634be44d91434d182e42ded064d60ab7c
    Refactor get_destination & get_sector

    Add extract_prov
      -returns province from order_array
      -returns multi-coast hash if province is multi-coastal

    Left commented code in Parser

modified:   lib/diplo/parser.rb
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
Refactor Order#to_s to support BUILD/DISBAND orders

Squashed commit of the following:

commit 888b15b863931939acf35b853fe246e144e659dc
Author: Nikola Savic <NikolaSavic@gmail.com>
Date:   Mon May 19 00:11:19 2014 -0400

    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

commit 6bf8c796473c83260245dc35f320698112ab9ad3
Author: Nikola Savic <NikolaSavic@gmail.com>
Date:   Sun May 18 20:04:15 2014 -0400

    Add specs for build/disband
Merge branch 'development' into parser
Add parser support for HOLD, SUPPORT, CONVOY

-add command filter