invenio

Add OpenGraph metadata to videos in order to improve Facebook/Twitter sharing (and in general SEO).
An example from the current CDS:

<meta content="Title" property="og:title" />
<meta content="website" property="og:type" />
<meta content="https://cds.cern.ch/record/XXXX" property="og:url" />
<meta property="og:video:height" content="YYY" />
<meta property="og:video:width" content="ZZ

There is an issue with the way the chrome webdriver is loaded into Travis.
The problem is probably due to a misconfiguration of PATH or something related to that.
Right now I disabled E2E to make tests pass.

Update the sandbox logo increasing the Sandbox version text.

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