Prevent find from recursing into example subdirectories (#35)

Without -maxdepth 0, any example that contains a subdirectory would
have that subdirectory treated as a separate example, breaking the
build.

Closes #33

Author: SeanTAllen

Makefile

@@ -38,7 +38,7 @@ endif
 PONYC := $(PONYC) $(SSL)
 
 SOURCE_FILES := $(shell find $(SRC_DIR) -name *.pony)
-EXAMPLES := $(notdir $(shell find $(EXAMPLES_DIR)/* -type d))
+EXAMPLES := $(notdir $(shell find $(EXAMPLES_DIR)/* -maxdepth 0 -type d))
 EXAMPLES_SOURCE_FILES := $(shell find $(EXAMPLES_DIR) -name *.pony)
 EXAMPLES_BINARIES := $(addprefix $(BUILD_DIR)/,$(EXAMPLES))