This fixes the issue where, when an iframed app was not running, the summary
bar would be displayed inside the iframe as well as outside it.

This stops app icons getting "stuck" on the right-hand side of /home

    - Theme and translate home page logo

improve display of dark, classic, and midnight on the new homepage and center the search box under the news

  * Remove spaces before :
  * Remove traling spaces
  * Remove lines consisting of spaces
  * Ensure spaces before {
  * Fix indentation in a couple of spots

               logs.jsp, netdb.jsp, profiles.jsp, stats.jsp

      - Parameterize download button tags (ticket #425)
      - Clean up summary bar HTML warnings
      - Just display a summary bar link for text browsers
      - Move welcome div from the readme files to index.jsp
      - Require a nonce to change language

      - Fix numerous readme HTML errors
      - Fix flag locations in readmes
      - desktopgui.enable now defaults to false; run systray if false
      - Start icon app before console
      - Restore systray form in configservice.jsp
      - Only save lang when clicking on flags if desktopgui is running
      - Only allow two-letter lang code from cgi parameter

      - Add form for I2CP options
      - Fix HTML errors