CMS: fix FFT link for CMS Validate Runs record

* Fixes FFT link for CMS Validated Runs record to point to JSON file
  itself, not to GitHub splash page.  (addresses #308)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>
UI: introduces "CMS VM Validation Report" page

* (closes #347)
homepage: updated bgnd + image

* lighter lines with small opacity
* (addresses #344)
UI: fixes footer overflow

* (closes #346)
news: eliminate hashtags

* (closes #285)
UI: updated click-able "App" area

* updates clickable “app” images  on “For Education” and “For Research”
pages (closes #359)
* fixes case spelling (addresses #357)
UI: home page link case spelling

* (closes #357)
UI: modifies for lhs-alignment across site

* (closes #274)