Merge pull request #3065 from cllns/master

lib/jekyll/commands/build.rb

@@ -9,6 +9,7 @@ module Jekyll
           prog.command(:build) do |c|
             c.syntax      'build [options]'
             c.description 'Build your site'
+            c.alias :b
 
             add_build_options(c)
 

lib/jekyll/commands/serve.rb

@@ -10,6 +10,7 @@ module Jekyll
             c.syntax 'serve [options]'
             c.description 'Serve your site locally'
             c.alias :server
+            c.alias :s
 
             add_build_options(c)