Removed useless blank lines. Indented stuff within braces.
Merge pull request #804 from jimis/patch-6

Removed useless blank lines. Indented stuff within braces.
Top-level markdown and content cleanups
Merge pull request #805 from tzz/doc/tzz-review2

More markdown and content cleanups
Change: Update install guides with new quickinstall  info
Merge pull request #806 from nickanderson/quickinstall-3.6.0

Change: Update install guides with new quickinstall  info
Fix linkage, Redmine #3495
Empty line before code block is not optional