templates: no "collections" in CMS Getting Started

* Removes mention of "Collections" in CMS Getting Started.
  (closes #509) (PR #650)
templates: fix typos in CMS Getting Started

* (closes #662) (PR #650)
templates: About CMS's disclaimer text update

* Updates About CMS's disclaimer text at CMS Spokes's request.
  (PR #682)
 records: addition of 787__n

* Adds 787__n to the data model.  (addresses #622)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
config: hide nearest terms in unsuccessful search

* In case of unsuccessful searches, hide nearest term list suggestions
  that proved to be confusing in user testing.  (closes #570)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
templates: "Export MARCXML" label title

* Amends "Export MarcXML" label to "Export MARCXML".  (The name of the
  standard is "MARCXML", not "MarcXML".)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
templates: "Visualise histograms"

* Uses plural ("Visualise histograms") instead of singular ("Visualise
  histogram"), since people can visualise more than one :), and to keep
  harmony with with "Visualise events".

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
UI: logo update

* (addresses #600)
records: updates templates with 'load more' option

* adds ‘load more’ option in files
* display 5 files at start, then adding other 5
* removes author list from templates
* (addresses #684)
homepage: styling update son homepage

* adds ability to scroll in small screens
* enters experiment images
* makes button smaller in narrow screens
records: fixes bug for recordss with < 5 files
records: updates 'Characteristics' section

* makes font normal for title and light bold for info
UI: removes "DEMO" image
homepage: styling fix for images
UI: updates styling in 404 pages
homepage: updates description boxes

* (closes #695)
CMS: update of `cms-tools-vm-image.xml`

* Corrects old entry links to wrong (LHCb) record.  (PR #697)
CMS: new VM image (1.0.0-rc7)

* Updates CMS VM image from 1.0.0-rc6 to 1.0.0-rc7.
  (closes #698)