update FP-MKT copyright year
Commit from Mozilla Verbatim by user petercpg@mail.moztw.org.: 290 of 301 strings translated (0 fuzzy).
Merge branch 'master' of github.com:mozilla/fireplace
Commit from Mozilla Verbatim by user petercpg@mail.moztw.org.: 301 of 301 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user sara.todaro@mozillaitalia.org.: 301 of 301 strings translated (0 fuzzy).
point to CDN for homepage/category/search API responses (bug 983815)
use localStorage to store API responses (bug 980081)