Bug 1072302: Catch exception when newsletter name is invalid.

Instead treat as normal form error.
Add Uruguay avail to Alcatel OTF C. Bug 1071766.

- Clean up/correct other device Uruguay availability.
Merge pull request #2310 from pmclanahan/catch-newsletter-error-1072302

Bug 1072302: Catch exception when newsletter name is invalid.
Merge pull request #2318 from jpetto/bug-1071766-fxos-movistar-uruguay

Add Uruguay avail to Alcatel OTF C. Bug 1071766.
Fix Bug 1064645 - [traceback] UndefinedError: list object has no element 0 on https://www-dev.allizom.org/ta/privacy/
Fix Bug 941248 - Remove known issues in-page link from release notes sidebar if there are no issues
Import logo prototype into bedrock for demo
Bug 1072679
Merge pull request #2320 from kyoshino/bug-941248-relnotes-issues-link

Fix Bug 941248 - Remove known issues in-page link from release notes sidebar if there are no issues
Merge pull request #2269 from kyoshino/bug-1064645-privacy-error

Fix Bug 1064645 - [traceback] UndefinedError: list object has no element 0 on https://www-dev.allizom.org/ta/privacy/
Update screenshot on styleguide front page
Bug 1019566
Merge pull request #2322 from sgarrity/bug-1072679-mozid-prototype

Import logo prototype into bedrock for demo
Merge pull request #2319 from sgarrity/bug-1019566-styleguide-screenshot

Update screenshot on styleguide front page
Fix Bug 1069902 - Broken link on website-archive
Merge pull request #2323 from kyoshino/bug-1069902-relnotes-archive-404

Fix Bug 1069902 - Broken link on website-archive
[fix bug 1072909] Firefox screenshot on /firefox/new/ for OSX visitors is Windows instead of Mac
Fix JS error in social-widgets.js for old IE.
Merge pull request #2317 from alexgibson/bug-1072909-screenshot-osx-visitors-windows-instead-of-mac

[fix bug 1072909] Firefox screenshot on /firefox/new/ for OSX visitors is Windows instead of Mac
Merge pull request #2326 from jpetto/fix-social-widgets-for-old-ie

Fix JS error in social-widgets.js for old IE.