Fix boost detection

AUTHORS

CMakeLists.txt

README

doc/additionalDoc/package.h

include/dynamic-graph/all-signals.h

include/dynamic-graph/contiifstream.h

include/dynamic-graph/entity.h

include/dynamic-graph/exception-abstract.h

include/dynamic-graph/exception-factory.h

include/dynamic-graph/exception-signal.h

include/dynamic-graph/factory.h

include/dynamic-graph/interpreter.h

include/dynamic-graph/plugin-loader.h

include/dynamic-graph/pool.h

include/dynamic-graph/shell-functions.h

include/dynamic-graph/shell-procedure.h

include/dynamic-graph/signal-array.h

include/dynamic-graph/signal-base.h

include/dynamic-graph/signal-caster.h

include/dynamic-graph/signal-ptr.h