cleanup platform support for 3.6.1

(cherry picked from commit 892ce86a506aba3891b9d4206943863793b2c270)

Conflicts:
	guide/latest-release/supported-platforms.markdown
note service level requirement for AIX 5.3

(cherry picked from commit 8a84061df243673525fd6f3f403132233fe84bf2)

Conflicts:
	guide/latest-release/supported-platforms.markdown
Add: Reference to services_autorun

services_autorun was implemented in masterfiles as a conveniant way to
automatically load and activate policy. We cross link to it because it
is one use case for bundlesmatching.

(cherry picked from commit a4331b122456e6eb857fe3319a5f752f2dd73235)
Remove link to removed section, link to main page instead.

Fixes broken build.

(cherry picked from commit 7665b4ef5b7da3318eb2343f2442dc29f9bcdd5c)