(lib) upgrade libs, bump version 1.4.0, switch do java8 bytecode (previously java6)
(lib) upgrade libs, bump version 1.4.0, switch do java8 bytecode (previously java6)

jonathanlermitage/tikione-c2e,jonathanlermitage/tikione-c2e,jonathanlermitage/tikione-c2e,jonathanlermitage/tikione-c2e