Fix Bug 972231 - Fix the newsletter form RTL layout
Fix Bug 809697 - [download buttons] Offer linux64 builds to Linux x86_64 user agents
Merge pull request #1693 from kyoshino/bug-972231-newsletter-rtl

Fix Bug 972231 - Fix the newsletter form RTL layout
Merge pull request #1604 from kyoshino/bug-809697-linux64-btn

Fix Bug 809697 - [download buttons] Offer linux64 builds to Linux x86_64 user agents