doc: updated 2.99.1 tag

For OMNeT++ 4.6 and 5.0

Initial development release for INET 3.x branch

doc: updates

Build file fixes.

test: fix tfingerprint testscript failure on windows

IPv4/IPv6: renamed IPvXAddress to Address, RoutingTable to IPv4Routin…

…gTable, etc.

IPvXAddress          -> Address
IPvXAddressResolver  -> AddressResolver
IRoutingTable        -> IIPv4RoutingTable
RoutingTable         -> IPv4RoutingTable
RoutingTable6        -> IPv6RoutingTable
RoutingTableAccess   -> IPv4RoutingTableAccess

doc: updated notes for using the got repo

doc: updated NED doc to get rid of unresolved links.

First stable release of INET 2