Add search to the MOW, skip search results in hidden nodes, and fix MOW sizing issues.

pentadactyl/TODO

@@ -20,7 +20,6 @@ FEATURES:
 9 add [count] support to :b* and :tab* commands where missing
 8 wherever possible: get rid of dialogs and ask console-like dialog questions
   or write error prompts directly on the webpage or with :echo()
-8 add search capability to MOW
 8 registers
 8 Document Caret and Visual modes.
 8 add support for filename special characters such as %