Bump dcos-docs
Bump dcos-docs

Bump dcos/dcos-docs
  joel-hamill:
     Version landing page updates
     Removed old JIRA link
     new graphic readme
     Remove old graphic
     new graphic readme
     Change GPU maturity
  Joel Hamill:
     Update the top-level version pages (#959)
     Update jira references
     Update JIRA URL
  Karl Isenberg:
     Add Component Management page (#918)
  Elizabeth K. Joseph:
     Fix pods killSelection example (#957)
  Vishnu Mohan:
     Removed the word please as requested on review
     Fixup no_proxy directive and make http_proxy and https_proxy examples better

dcos/dcos-website,dcos/dcos-website,dcos/dcos-website,dcos/dcos-website