Merge branch 'v0.10'

Conflicts:
	include/uv.h
	src/unix/error.c

include/uv-errno.h

@@ -400,4 +400,10 @@
 # define UV__ENXIO (-4033)
 #endif
 
+#if defined(EMLINK) && !defined(_WIN32)
+# define UV__EMLINK (-EMLINK)
+#else
+# define UV__EMLINK (-4032)
+#endif
+
 #endif /* UV_ERRNO_H_ */

include/uv.h

@@ -138,6 +138,7 @@ extern "C" {
   XX(UNKNOWN, "unknown error")                                                \
   XX(EOF, "end of file")                                                      \
   XX(ENXIO, "no such device or address")                                      \
+  XX(EMLINK, "too many links")                                                \
 
 #define UV_HANDLE_TYPE_MAP(XX)                                                \
   XX(ASYNC, async)                                                            \