Fix cli entry for conference. Add debug output to gpickup. Added buttonCount variable to sccp_handle_button_template_req

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4462 43c1dc8c-776e-4df2-8ef1-6e829299be21
Added CS_SCCP_PICKUP aroung PICKUP/GPICKUP in skSet_InUseHint

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4463 43c1dc8c-776e-4df2-8ef1-6e829299be21