pgsql: Collect the bits of wisdom about dtrace installation in the

Log Message:
-----------
Collect the bits of wisdom about dtrace installation in the installation
chapter rather than scattering them across several incomplete fragments.

(This makes the documentation consistent with the backported FAQ_Solaris.)

Tags:
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REL8_2_STABLE

Modified Files:
--------------
    pgsql/doc/src/sgml:
        installation.sgml (r1.267 -> r1.267.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml.diff?r1=1.267&r2=1.267.2.1)
        monitoring.sgml (r1.40 -> r1.40.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/monitoring.sgml.diff?r1=1.40&r2=1.40.2.1)