bsc CBSP: fix osmo-bsc.cfg to contain 3 BTS with a CBCH
The bsc/BSC_Tests_CBSP.ttcn rely on a configuration where the first three BTS carry out SMSCB messaging, and the fourth BTS does not. That requires a CBCH channel config on bts 0, 1, 2.
We previously only allocated IPv4 sub-nets to the network segments created with 'docker network'. Let's fix that by assigning both IPv4 and IPv6 address ranges to each docker network.
ttcn3-bts-test/jenkins.sh: use bts-tester-{generic,oml,virtphy,hopping}
Let's use separate directories to store the artifacts of different TTCN-3 test case groups. This would prevent the test suite from overwriting *.log and *.pcap files when running both generic and hopping configurations together, and simplify the overall hierarchy.
Not only append ':hopping' to classnames equal 'BTS_Tests', but also 'BTS_Tests_SMSCB' and 'BTS_Tests_LAPDm', so they would not shadow non-hopping test cases in the test results analyzer.
