bump gx version to 0.7.0

License: MIT
Signed-off-by: Jeromy <why@ipfs.io>

Makefile

@@ -10,7 +10,7 @@ else
 endif
 
 
-gx_bin=bin/gx-v0.6.0
+gx_bin=bin/gx-v0.7.0
 gx-go_bin=bin/gx-go-v1.2.0
 
 # use things in our bin before any other system binaries