base: adds tmpl-block for "body" attributes
news: adds experiment tag on "news_db.html"

* adds experiment tags on news, for use in individual pages
homepage: introduces alternative pages

* adds alternatives that can be found in “/home$” urls
* example http://opendata.cern.ch/home2
* introduces experiment pages for per exp. interaction
* ( addresses #316, #317, #361 )
CMS: masterclass file update

* Adds limitations and selection information.  (PR #427)
CMS: usage information for ig files

* Adds usage information for masterclass ig files.  (PR #427)
CMS: CSV file metadata update

* Adds limitations, selection information, validation information.
  (PR #427)
CMS: CSV file metadata update

* Adds usage field. (closes #342) (PR #427)
CMS: small fixes for CSV files

* Create another 567 field and fixes variable -> value typo.
  (PR #427)
CMS: addition of masterclass files

* Adds record for CMS masterclasses files and adds FFT files for cache
  populating script.  (closes #460) (PR #427)
CMS: fix FFT path typo for masterclasses

* Fixes FFT path typo for masterclasses.  (PR #427)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
records: `methodology_note` is now a list

* Amends data model to force `methodology_note` to always be list.
  (PR #427)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
templates: new treatment of `methodology_note`

* Amends all templates WRT `methodology_note` that is now always a
  list.  (PR #427)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
CMS: update `cms-eventdisplay-files.xml`

* Updates `cms-eventdisplay-files.xml` with collision energy, global
  tag, DOIs.  (PR #447)
records: new `583__b` in data model

* Adds new field `583__b` to the data model.  (PR #447)

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