Landing: visitors graph
Merge branch 'feature/landing-page' of github.com:Vizzuality/gfw into feature/landing-page
Landing: cleaning
Landing: cleaning
Landing: visitors
Landing: visitors
Landing: story images null
Static: sidebar behaviour
updated text and removed "other" section

updated descriptions for Tomnod and Open Landscapes apps
removed "other apps" section (merged "other apps" with "GFW apps")
changed button for map
removed "follow the discussion" as a button
Merge pull request #1141 from alyssaw/patch-88

updated text and removed "other" section
Merge pull request #1142 from alyssaw/patch-89

removed "follow the discussion" as a button
Landing: EXPLORE THE MAP --> GFW INTERACTIVE MAP
Stories with require
Merge branch 'feature/landing-page' of github.com:Vizzuality/gfw into feature/landing-page-require-stories
Stories: migration to require acomplished