重构cache目录，将libxml2、libcurl放到vendor目录。

cache/test/Makefile

@@ -0,0 +1,38 @@
+CCC=g++
+
+INC_PATH=-I../src/include -I../src/include/libevent2
+CFLAGS=-Wall -g $(INC_PATH) 
+
+LIBS = -lMESA_handle_logger -lMESA_htable -lMESA_prof_load -lWiredLB
+LIBS += -lssl -lcrypto -lcurl -levent -lxml2
+LIBS += ../src/pangu_tango_cache.a
+
+OBJS = tango_cache_test.o
+OBJS_EVBASE=cache_evbase_test.o
+OBJS_EVBASE_THREADS=cache_evbase_test_threads.o
+
+TARGET_EXE=tango_cache_test
+TARGET_EXE_EVBASE=cache_evbase_test
+TARGET_EXE_EVBASE_THREAD=cache_evbase_test_threads
+
+ALL:$(TARGET_EXE) $(TARGET_EXE_EVBASE) $(TARGET_EXE_EVBASE_THREAD)
+
+$(TARGET_EXE):$(OBJS)
+	$(CCC) $(LDFLAGS) $^ -o $@ $(LIBS)
+
+$(TARGET_EXE_EVBASE):$(OBJS_EVBASE)
+	$(CCC) $(LDFLAGS) $^ -o $@ $(LIBS) -lpthread
+
+$(TARGET_EXE_EVBASE_THREAD):$(OBJS_EVBASE_THREADS)
+	$(CCC) $(LDFLAGS) $^ -o $@ $(LIBS) -lpthread
+
+.c.o:
+	$(CCC) $(CFLAGS) -c $<
+.cpp.o:
+	$(CCC) $(CFLAGS) -c $<
+
+-include $(DEPS)
+
+clean:
+	rm -rf $(OBJS) $(TARGET_EXE) $(OBJS_EVBASE) $(TARGET_EXE_EVBASE) $(OBJS_EVBASE_THREADS) $(TARGET_EXE_EVBASE_THREAD)
+