CMS: fix XML compliance of `cms-tools-vm-image.xml`

* Fixes XML escaping problem that was introduced in
  2e720ab7735771555626828164f45e5fe289e396.

* Also, prefers to use "and" instead of "&". (see #357)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
ALICE: update of `alice-reconstructed-data.xml`

* First try to expand the ALICE metadata.  (addresses #351) (PR #401)
ALICE: update of `alice-analysis-modules.xml`

* Updates `alice-analysis-modules.xml`, including descriptions from #405
  plus general MARC clean up.  (PR #408)
CMS: update of `cms-primary-datasets.xml`

* Updates `cms-primary-datasets.xml` WRT 256 field.
  (closes #91) (closes #154) (PR #400)
UI: text correction in "Getting Started" page
UI: search result page update

* fixes formatting in record_briefs
* removes checkboxes and export functionality
* ( addresses #372)
UI: changes sorting icon in search page
UI: record briefs update in "collection" pages
UI: record_brief width FIX after filtering

* ( addresses #372)
UI: generalises box-type styling across pages

* creates new “general.css”
* changes box-type styling in “GetStarted” pages to look like “About”
pages
* creates experiment specific pages for “Get Started”
ALICE: creates "Get Started" page

* (closes #355)
ATLAS: initial release of ATLAS sections

* Adding ATLAS sections.  (PR #399)
ATLAS: initial release of ATLAS collections

* Amends ATLAS collection tree ancestors and introduces `ATLAS Derived
  Datasets` collection.  (PR #399)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
UI: updates breadcrumbs + font changes

* updates how text look across-site. more narrow
header/search-bar/breadcrumbs
* adds drop down button to breadcrumbs to browse throughout experiments
* removes rhs “choose experiment” pills
UI: updates "About CMS Physics" pages

* gives similar layout to “Get Started” and “About” pages
ALICE: adds other-resources/links on Research page

* ( addresess #355)
UI: dynamically populates page with experiments

* dynamically populates “Get Started” page depending on experiments on
the portal
UI: makes tab-pane populate dynamically
ALICE: fixes "byte" subfield in "Analysis modules"
UI: fixes links in "Get started" page