Restructure support.html

How to report a bug and request a new feature, is more vital information
than how long it may take to get it fixed and who potentially might fix
it.
Therefore move the "Bugs", "New Features" and "Bug Triaging"
sections to above "Response time and SLO".

Change-Id: Ibefaa9a26a11cd96019c9e5ff28862f9bbbbc749
1 file changed