namespace: added missing inet namespaces
headerguards script fixed - replace all non-alphanumeric characters to '_' in headerguards
fixed headerguards
class Address renamed to L3Address
class IAddressType renamed to IL3AddressType
class AddressResolver renamed to L3AddressResolver
inetmanet (src/routing/extras) moved to namespace inet::inetmanet
added missing inet namespaces for moduletests