Fix: README.md

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5692 43c1dc8c-776e-4df2-8ef1-6e829299be21
Fix: Make travis compile against asterisk-11 (1)

git-svn-id: https://svn.code.sf.net/p/chan-sccp-b/code/trunk@5693 43c1dc8c-776e-4df2-8ef1-6e829299be21