Change Case On Forcerport For Consistency

* Change "ForcerPort" to "Forcerport" to match everywhere else it is displayed
........

Merged revisions 386483 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/11@386484 f38db490-d61c-443f-a65b-d21fe96a405b
Fix Displaying Symmetric RTP Global Setting

* Use comedia_string() to display correctly the symmetric rtp setting when
  running "sip show settings"


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/11@386486 f38db490-d61c-443f-a65b-d21fe96a405b