Update privacy policy, in accordance with Bug 848506

https://bugzilla.mozilla.org/show_bug.cgi?id=848506

Fixes #2922
Some code cleanup before fixing the bug.
Save initial KPI data before session_context comes in

fixes #3014
remove WinChan from the communication_iframe, it is not used

fixes #3109
Merge pull request #3110 from shane-tomlinson/issue_3109_winchan_comm_iframe

remove WinChan from the communication_iframe, it is not used
Add a #iefix to all background-image: url(''s that contain two parts. This fixes IE8 404'ing when requesting these images.

fixes #1736
Use the newest connect-fonts-opensans which correctly uses the PostScript name of every font.

In OSX, local fonts are searched for by their Postscript names instead of their True Type Font names.
Merge pull request #3080 from mozilla/2013-03-06-privacy-policy

Update privacy policy, in accordance with Bug 848506
Fix the escaped HTML in the cookies_disabled screen.

fixes #2979
Merge pull request #3115 from shane-tomlinson/issue_2979_escaped_cookies_disabled

Fix the escaped HTML in the cookies_disabled screen.
Merge pull request #3113 from shane-tomlinson/newest_connect_fonts_opensans

Use the newest connect-fonts-opensans which correctly uses the PostScript name of every font.
Correct README. Fixes #3117
Merge pull request #3108 from shane-tomlinson/issue_3014_rp_api_kpi

Issue 3104 rp api kpi

@kparlante gave the r+, merging. Close #3104
Merge pull request #3112 from shane-tomlinson/issue_1736_ie8_404_grain

Fix the IE8 404 problem for background images.