added some documentation

Signed-off-by: Zachary Scott <[email protected]>

helpers.rb

@@ -33,14 +33,20 @@ def require_login!(opts = {:return => "/"})
         redirect opts[:return]
       end
     end
-
+
+    # Many pages on rstatus are paginated. To keep track of it in all the
+    # different routes we have this handy helper that either picks up
+    # the previous setting or resets it to a default value.
     def set_params_page
       params[:page] ||= 1
       params[:per_page] ||= 25
       params[:page] = params[:page].to_i
       params[:per_page] = params[:per_page].to_i
     end
 
+    # Similar to the set_params_page helper this one creates the links
+    # for the previous and the next page on all routes that display 
+    # stuff on more than one page.
     def set_next_prev_page
       @next_page = "?#{Rack::Utils.build_query :page => params[:page] + 1}"
 

rstatus.rb

@@ -37,6 +37,14 @@
 # and then visit [http://localhost:9292/](http://localhost:9292). You're good
 # to go!
 #
+# If you want to contribute to rstatus you will have to run the tests before you
+# send a pull request. You can do so by calling
+#
+#    $ rake test
+#
+# in the rstat.us root directory. Once your changes pass all tests you may commit
+# and send a pull request via Github.
+#
 # [rvm]: http://rvm.beginrescueend.com/
 
 #### About rstatus.rb