QPID-4698: Fixed the install location for files under CMake.

Installs the SASL2 qpidd.conf file to /etc/qpid/sasl2/qpidd.conf
Installs qpidd-primary to /etc/rc.d/init.d/qpidd-primary
Installs the qmf-gen Python script to /usr/bin
Installs the managementgen sitepackage to where sitelibs belong

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1465643 13f79535-47bb-0310-9956-ffa450edef68