Adds sip authentication ims friendly options to force algo and first authent

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2134 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Fixes potential problem with conf slot leak in dtmf cases.

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2135 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Update travel telekom wizard country list

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2136 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Add sipcentric wizard

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2137 9f815046-5998-e9c0-b7e2-ac03a23edfa4