UI: educate/research collection list update

* updated collection list record boxes (addresses #55)
* introduced “collection areas” col_items / tools
UI: links and routes added to homepage

* prepares the “about” links and pages for content to be added (closes
#65)
* prepares pages for all links in “entry points” (addresses #66)
UI: FIX for tab functionality in collection_list

* FIX for default activated tab on pageload
URL:  `/educate/` -> `/education/`

* name change for the “education” routing (closes #97)
CMS: richer metadata in primary dataset records

* Enriches metadata of CMS Primary Dataset records.
  (addresses #34) (PR #91)

Reviewed-by: Tibor Simko <tibor.simko@cern.ch>
README: new `force-recids` option for demo site

* Adds `-e force-recids` option to populate demo site with wanted record
  IDs.  (references #34) (references PR #91)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
CMS: new derived PAT tuples from Ana

* Adds new derived PAT tuples from Ana.  (addresses #34) (PR #98)

Reviewed-by: Tibor Simko <tibor.simko@cern.ch>
CMS: new tool records from Ana

* Adds new CMS Tools records from Ana.  (addresses #34) (PR #99)

Reviewed-by: Tibor Simko <tibor.simko@cern.ch>
CMS: richer event display records

* Enriches metadata of event display records.  (addresses #34) (PR #102)

Reviewed-by: Tibor Simko <tibor.simko@cern.ch>
Add introduction to vms_page and create new files
Fix typo in CMSSW version and reformat rest of text
Change spellings: analyse –> analyze
Mention CMS-specific VM in intro
Remove about_CMS_data markdown and format text for getting_started
Make more formatting changes to text
Finish editing text and formatting layout
Make near final changes to file, last par needs explanaiton. (closes #88)
Merge with upstream branch after rebase