Change generic_conf_diameterconf file to work for incoming connections from peers being allowed or disallowed
Make small changes to usage and comments
Merge pull request #84 from Metaswitch/Cedar_Changes_Try

[Andy] Change generic_conf_diameterconf file to work for incoming connections f...
Use correct name
Merge pull request #85 from Metaswitch/wrong_name

[Reviewer: Alex] Use correct name
Treat overload responses as expected
Merge pull request #89 from Metaswitch/iss630

[Reviewer Matt] Treat overload responses as expected
Check whether src exists
Merge pull request #91 from Metaswitch/iss90

[Reviewer: Alex] Check whether src exists