am 1ebd160a: am c120c3fe: am 1ef0d363: am 285f0772: Merge "clean up the sample template files to remove unused stuff and fix the collapsible project list and highlight the Samples nav" into jb-mr2-docs

* commit '1ebd160a823668d42a3f8216370035da2b8e7d36':
  clean up the sample template files to remove unused stuff and fix the collapsible project list and highlight the Samples nav