Updated sharing for new (old) video.
Changed button text from "try it" to "start"
Merge branch 'staging' of https://github.com/code-dot-org/code-dot-org into hoc-homepage-reduction
Merge pull request #732 from code-dot-org/button-text

Button text
changed banner height (shorter)
Changed shop link "/shop" and made csedweek banner thinner
Adjusted sharing meta tags.
Merge pull request #734 from code-dot-org/homepage-changes

Homepage changes
Hid printing from non-english users and localized strings
printing strings
Merge pull request #735 from code-dot-org/localized-printing

Hid printing from non-english users and localized strings
Dropbox changes
forogt I19n on one localized string.
Merge branch 'staging' of https://github.com/code-dot-org/code-dot-org into hoc-homepage-reduction
Merge pull request #736 from code-dot-org/forogt-i18n

forogt I19n on one localized string.
Extra I18n on a view.
Merge pull request #737 from code-dot-org/extra-i18n

Extra i18n
better mobile display for printing on /congrats
Merge pull request #738 from code-dot-org/congrats-mobile-print

better mobile display for printing on /congrats
enable localization for chapter partner tutorials