Merge pull request #78 from tzz/master

note for root DC walkthrough
re-arrange things to improve flow.  Aleksey
Add example output.
Merge pull request #79 from atsaloli/master

polish aborting_execution example (rearrange to improve flow) and add example output for change detection example
Document --query and --query-host for cf-hub.
AE in documentation.
Troubleshooting update.
Typo fixes.
No all-caps.
Some light formatting fixes.
Unify some tagging and formatting.
Consistent filenames, tagging and line before attributes start.
Editing, formatting, moving of known issues into known issues page.
Added known windows bindtointerface issus. Made headers smaller.
Update installation.markdown

Removing the reference to a package manager since we don't install anything after installation.

Rephrasing the auto bootstrap explanation and making it clear that the hub needs to be manually bootstrapped.
Update upgrade.markdown

Removing references to 2.1.x
Merge pull request #80 from jimis/patch-1

Added known windows bindtointerface issus. Made headers smaller.
Merge pull request #82 from cduclos/patch-1

Update installation.markdown
Merge pull request #83 from cduclos/patch-2

Update upgrade.markdown
Editing up to edit_template.