[Doc] Add Command#run method descriptions

lib/cocoapods/command/outdated.rb

@@ -17,6 +17,8 @@ module Pod
         super
       end
 
+      # Run the command
+      #
       # @todo the command report new dependencies added to the Podfile as
       #       updates.
       #

lib/cocoapods/command/repo/lint.rb

@@ -24,6 +24,8 @@ module Pod
           super
         end
 
+        # Run the command
+        #
         # @todo Part of this logic needs to be ported to cocoapods-core so web
         #       services can validate the repo.
         #