Fix lgtm checks and use pull request body for merge message

Closes #33

LGTM given by: @nhance

Squashed commit of the following:

commit c169515
Author: Valentino <[email protected]>
Date:   Mon Mar 4 09:52:12 2013 -0500

    Bumbed version for gem updates

commit 7ff11b3
Author: Valentino <[email protected]>
Date:   Mon Mar 4 09:50:54 2013 -0500

    Use pull request body OR last commit message

commit 75687f5
Author: Valentino <[email protected]>
Date:   Wed Dec 26 10:06:00 2012 -0500

    [fix] lgtm checks are buggy

commit 124b1e5
Author: Valentino <[email protected]>
Date:   Thu Dec 6 15:43:19 2012 -0500

    Ensure comment author lookup is unique

lib/git_reflow.rb

@@ -79,7 +79,7 @@ def deliver(options = {})
         # if there any comment_authors left, then they haven't given a lgtm after the last commit
         if open_comment_authors.empty? or options['skip-lgtm']
           lgtm_authors   = comment_authors_for_pull_request(existing_pull_request, :with => LGTM)
-          commit_message = get_first_commit_message
+          commit_message = existing_pull_request[:body] || get_first_commit_message
           puts "Merging pull request ##{existing_pull_request.number}: '#{existing_pull_request.title}', from '#{existing_pull_request.head.label}' into '#{existing_pull_request.base.label}'"
 
           update_destination(options['base'])
@@ -210,9 +210,9 @@ def find_authors_of_open_pull_request_comments(pull_request)
       comment_created_at     = Time.parse(comment.created_at)
       if comment_created_at > pull_last_committed_at
         if comment[:body] =~ LGTM
-          lgtm_authors << comment.user.login
+          lgtm_authors |= [comment.user.login]
         else
-          comment_authors << comment.user.login unless comment_authors.include?(comment.user.login)
+          comment_authors |= [comment.user.login] unless comment_authors.include?(comment.user.login)
         end
       else
         comment_authors -= [comment.user.login] if comment_authors.include?(comment.user.login)
@@ -230,7 +230,7 @@ def comment_authors_for_pull_request(pull_request, options = {})
 
     all_comments.each do |comment|
       next if options[:after] and Time.parse(comment.created_at) < options[:after]
-      comment_authors << comment.user.login if !comment_authors.include?(comment.user.login) and (options[:with].nil? or comment[:body] =~ options[:with])
+      comment_authors |= [comment.user.login] if !comment_authors.include?(comment.user.login) and (options[:with].nil? or comment[:body] =~ options[:with])
     end
 
     # remove the current user from the list to check

lib/git_reflow/version.rb

@@ -1,3 +1,3 @@
 module GitReflow
-  VERSION = "0.2.4"
+  VERSION = "0.2.5"
 end