am 64d14b5c: am 37826fa9: am 4e73847a: am 5cdadb48: initial shuffle of the API guide...

am 64d14b5c: am 37826fa9: am 4e73847a: am 5cdadb48: initial shuffle of the API guide nav to add introduction * revise to the Compatibility doc, put it in Intro * put Permissions in Intro * put App Fundamentals in Intro * move Manifest docs to the top of side nav tree

* commit '64d14b5cd9c548b313da1a9b211c3ea02deb753d':
  initial shuffle of the API guide nav to add introduction * revise to the Compatibility doc, put it in Intro * put Permissions in Intro * put App Fundamentals in Intro * move Manifest docs to the top of side nav tree * move App Resources above UI Will perform another fix to the Best Practices section later to deprecate some docs there and point to Training instead