docs/ui_install.md: Incorporated changes from GitHub master branch. Removed mention of automated setup section at the beginning of the document because it was removed from the body. Fixed some section links.
docs/ui_install.md: Incorporated changes from GitHub master branch. Removed mention of automated setup section at the beginning of the document because it was removed from the body. Fixed some section links.

ceos-seo/data_cube_ui,ceos-seo/data_cube_ui,ceos-seo/data_cube_ui,ceos-seo/data_cube_ui,ceos-seo/data_cube_ui