Fixed 2 potential NULL deref in multicast.c
Fixed non-compliant header guard names
Fixed potential NULL deref in dns_client
Test: refactoring of udp delivery function
Fixed global symbol clash in multicast socket
added http server test and http POST handling
Fixed non-compliant C++ code (double "_" in symbol)

Related to #108
Experimental inclusion of ipv6 branch elements
Fixed global symbol clash in multicast socket
Fixed non-compliant C++ code (double "_" in symbol)

Related to #108
Removed optimization options from architecture targets
Inclusion of IPv6 modules - work in progress
Fixed typo in define when UDP disabled.
Should this maybe fix #112 ?
proper size_t/int casting to prevent compiler warnings
Finished up basic ipv6 support inclusion from private branch
Merge branch 'ipv6-inclusion'
Should fix two compiler warnings.
Fixed some coding style violations in ipv6
Refactored all IPv6 address comparisons