Initial blank page`
#741 - adding a list of the localisations to each page that has a localisation
Removed doubled `the` and added some for more meaning.
typo; an -> a
Translated missing sentences and removed undeletes yet.
#744 - starting to fix translations that appear in lists
The landing pages now only list sections that have been translated or are in english only - there should be no duplication
The list of articles in a section is now de-duplicated.
TODO: Get the next guides to not contain duplicate translations
Merge pull request #747 from cwdoh/ko.fix.getting-started

Translation: Updates of  #740
Merge pull request #745 from cwdoh/en.typo

Removed doubled `the` in responsive of multi-screen site
#744 - adding further changes to list next sections correctly
Merge branch 'master' of github.com:google/WebFundamentals
Real Device Testing updates
Merge pull request #749 from umaar/test-device

Real Device Testing updates
Cloud testing updates
Adding cross-linking in Responsive Web Design Basics docs.
translate two index.markdown files under `gettting-started` into Chinese
Merge pull request #752 from umaar/cloud-testing-updates

Cloud testing updates
first phase of putting hebrew
Merge remote-tracking branch 'upstream/master'
update contributors list
Translate index.markdown for media section in Korean.