Address bot by name:, closes slack-ruby#17.

CHANGELOG.md

@@ -1,5 +1,6 @@
 ### 0.4.4 (Next)
 
+* [#17](https://github.com/dblock/slack-ruby-bot/issues/17): Address bot by `name:` - [@dblock](https://githubcom/dblock).
 * [#19](https://github.com/dblock/slack-ruby-bot/issues/19): Retry on `Faraday::Error::TimeoutError`, `TimeoutError` and `SSLError` - [@dblock](https://githubcom/dblock).
 * [#3](https://github.com/dblock/slack-ruby-bot/issues/3): Retry on `migration_in_progress` errors during `rtm.start` - [@dblock](https://githubcom/dblock).
 * Respond to direct messages without being addressed by name - [@dblock](https://githubcom/dblock).

lib/slack-ruby-bot/config.rb

@@ -11,7 +11,7 @@ module Config
     attr_accessor :team_id
 
     def names
-      [user, aliases, "<@#{user_id.downcase}>", "<@#{user_id.downcase}>:"].compact.flatten
+      [user, aliases, "<@#{user_id.downcase}>", "<@#{user_id.downcase}>:", "#{user}:"].compact.flatten
     end
 
     def name?(name)

spec/slack-ruby-bot/commands/about_spec.rb

@@ -10,6 +10,9 @@ def app
   it 'upcase' do
     expect(message: SlackRubyBot.config.user.upcase).to respond_with_slack_message(SlackRubyBot::ABOUT)
   end
+  it 'name:' do
+    expect(message: "#{SlackRubyBot.config.user}:").to respond_with_slack_message(SlackRubyBot::ABOUT)
+  end
   it 'id' do
     expect(message: "<@#{SlackRubyBot.config.user_id}>").to respond_with_slack_message(SlackRubyBot::ABOUT)
   end

spec/slack-ruby-bot/commands/hi_spec.rb

@@ -7,6 +7,9 @@ def app
   it 'says hi' do
     expect(message: "#{SlackRubyBot.config.user} hi").to respond_with_slack_message('Hi <@user>!')
   end
+  it 'says hi to bot:' do
+    expect(message: "#{SlackRubyBot.config.user}: hi").to respond_with_slack_message('Hi <@user>!')
+  end
   it 'says hi to @bot' do
     expect(message: "<@#{SlackRubyBot.config.user_id}> hi").to respond_with_slack_message('Hi <@user>!')
   end