am 38922807: am 4a945f3f: am 0408ef96: am 8d254bd3: am c06cbc3d: Merge "add docs for new IDE installing guide, migration guide, tips docs, and download page" into jb-mr1.1-docs

* commit '389228074a69cd42f97620e7a4bddc87f65a0c84':
  add docs for new IDE installing guide, migration guide, tips docs, and download page