add softtimer to the core, begin framework for static modules and reduces calls to gettimeofday for timestamps

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5786 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/switch.conf.xml

@@ -2,6 +2,8 @@
   <settings>
     <!--Most channels to allow at once -->
     <param name="max-sessions" value="1000"/>
+    <!--Most channels to create per second -->
+    <param name="sessions-per-second" value="30"/>
     <!--Try to catch any crashes that can be recoverable (in the context of a call)-->
     <param name="crash-protection" value="false"/>
     <!--RTP port range -->