Updates the .htaccess to redirect from trunk copy of old Network Admin

Partial-bug: 1248678

Change-Id: I8ff688e69fcd26a8a11f0de541843696b8b5db70
Install Guide: Improve nova compute install

Move the sqlite removal step last - after restart of the nova service.
Remove duplicate "Edit nova.conf" line on Ubuntu

Change-Id: I66de794b38a59eadf446954f1d7f6ef43f415ba7
Closes-Bug: #1251710
backport: havana
Merge "Install Guide: Improve nova compute install"
Merge "Updates the .htaccess to redirect from trunk copy of old Network Admin"