Squashed commit of the following:

commit 639e91a68b923cf00279467417bfed4a4d29d0b1
Author: peter.kehl <peter.kehl@gmail.com>
Date:   Tue Sep 9 15:30:37 2014 +1000

    Adjustments and anchor links for SeLite add-ons

commit 0bf19da8926128d3e80980a7d44195be5e2bd39e
Author: peter.kehl <peter.kehl@gmail.com>
Date:   Mon Sep 8 18:58:54 2014 +1000

    Created "SeLite" section. Removed duplicate SeLite-related text from SeLite add-on sections.

commit fe4e060b6dc0d1af7bed317ce8d8b05fb3b3f500
Author: peter.kehl <peter.kehl@gmail.com>
Date:   Mon Sep 8 16:27:06 2014 +1000

    Added SeLite Run All Favorites to download/index.jsp
Enhanced Grid documentation.

Added some documentation for the following:
1. Injection of servlets at Grid and Node end.
2. Addition of custom proxy.

Signed-off-by: Luke Inman-Semerau <luke.semerau@gmail.com>
Updating download links to 2.43
Adding link for Selenium IDE 2.7.0
Fixing links to the latest release
Merge branch 'master' of https://github.com/SeleniumHQ/www.seleniumhq.org
Minor for https://code.google.com/p/selenium/issues/detail?id=7918