Added profile / gcov / lcov support to configure/make system

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4671 43c1dc8c-776e-4df2-8ef1-6e829299be21
Switching (back) from SCCP_CHANNELSTATE_ZOMBIE to using SCCP_CHANNELSTATE_CONGESTION when a line does not have device attached to it (unavailable/unregistered/not registered yet)

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@4672 43c1dc8c-776e-4df2-8ef1-6e829299be21