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 '0408ef9660a16e1846bac2f14ce307f1926785af':
  add docs for new IDE installing guide, migration guide, tips docs, and download page