Update xml.cnf sample file with <callLogBlfEnabled>3</callLogBlfEnabled>


git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4125 43c1dc8c-776e-4df2-8ef1-6e829299be21
Updated News/ChangeLog files to reflect current status of V4.1

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4126 43c1dc8c-776e-4df2-8ef1-6e829299be21
Redefined pbx_channel_ref/pbx_channel_unref for older asterisk version -> Fixing multiple warnings during compilation

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4127 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fixed tiny debug log output spelling mistake

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4128 43c1dc8c-776e-4df2-8ef1-6e829299be21