Merge pull request #558 from jainvipin/readme_update

make a not of GOPATH settings

Author: shaleman

README.md

@@ -28,6 +28,9 @@ that lives behind an OVS bridge and has its own unique interfaces.
 
 #### Step 1: Clone the project and bringup the VMs
 
+Note: if you have $GOPATH set, then please ensure either you unset GOPATH,
+or clone the tree in `$GOPATH/src/github.com/contiv/` location
+
 ```
 $ git clone https://github.com/contiv/netplugin
 $ cd netplugin; make demo