Fixed ps_context type in peersampler.c
Update the context name
Merge branch 'cloudcast' into topman
include/topmanager.h src/Tests/tman_test.c src/Tests/topology.c src/Tests/topology_test.c src/Tests/topology_test_attr.c src/TopologyManager/peersampler.c
Peersampler contexts now have type peersampler_context. Context as return value of *init
Removed CamelCase names
Added context support to peersampler.c
Added context support to peersampler_iface and to cyclon peersampler implementation.
Rename topman.h into peersample.h
Allow to use other gossipping protocols
Add a CYCLON protocol... Not tested yes, and still needs some work!
Restore the compilation of the dummy peer sampler
Prepare for multiple peer sampling implementations