Add go_import_path to travis

jfontan · jfontan · commit b512fed5285c · 2018-02-16T12:21:58.000+01:00
It solves "use of internal package not allowed" when built in
a fork.

Signed-off-by: Javi Fontan &lt;jfontan@gmail.com&gt;
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,8 @@ go:
   - 1.9
   - tip
 
+go_import_path: github.com/src-d/gitquery
+
 matrix:
   fast_finish: true
   allow_failures:
