Fix Bug 589067, remove browser version detection and display from ui and perfedies
Bug 866644 - Update www.mozilla.org/book to contain the latest Book of Mozilla verse.
Bug 874903: Update Tabzilla to CDN URLs.

Also fix styleguide Tabzilla docs.
Losslessly optimized all PNG's
Merge pull request #903 from pmclanahan/update-tabzilla-urls-bug-874903
Merge pull request #899 from ossreleasefeed/bug589067-remove-browser-version-from-ui
Merge pull request #901 from gerv/master

Bug 866644 - Update www.mozilla.org/book to contain the latest Book of Mozilla verse
Bug 780206 - Samsung Galaxy W (I8150) not on Firefox mobile supported device list
Email form submit button clipping in IE Bug 821094
Merge pull request #909 from alexgibson/bug-821094-email-form-submit-button-clipping-in-ie

Email form submit button clipping in IE Bug 821094
Merge pull request #908 from kyoshino/bug-780206-galaxy-w

Bug 780206 - Samsung Galaxy W (I8150) not on Firefox mobile supported de...
Merge pull request #905 from davidgumberg/master

Lossless PNG Optimization
Merge pull request #841 from retornam/bug-856077-redirect-projects-toolkit
Merge pull request #854 from retornam/bug-868413-remove-tabzilla-methods

Bug 868413 remove deprecated methods from Tabzilla
Bug 661743 - Links for the Japanese Firefox builds (dmg) for Mac (the ja-JP-mac locale) are wrong
Bug 874525 Redirect /projects/security/pki/* to  developer.mozilla.org