src/vm/vm.c(usage): added information for jvmti agent for jdwp

src/vm/vm.c(usage): added information for jvmti agent for jdwp
	(vm_create): jdwp code move to jvmti agent for jdwp (VMjdwp.c)
src/cacao/cacao.c (main): jdwp code move to jvmti agent for jdwp. execute jvmti_set_phase only if needed
src/native/jvmti/cacaodbg.c (setup_jdwp_thread): jdwp code move to jvmti agent for jdwp
src/native/jvmti/VMjdwp.c: change this to a jvmti complaint agent by using jni/jvmti function instead of cacao specific functions and implement a Agent_OnLoad as main entry point. Include setup_jdwp_thread function.
src/native/jvmti/Makefile.am: add libjdwp.so
src/native/jvmti/cacaodbg.h: remove no more needed global jdwp related variables
src/native/jvmti/jvmti.c: (Resume/SuspendThread(List)): add temporary implementation for trying jdwp
	(jvmti_agentload): bugfix in getting/passing libname/arguments