network: when using API key & secret key drop params (#150)

Params need to be dropped as apikey & secretkey based URL has all the
params and it causes signature validation issues when the same params
are also posted again. For example, add host API with username, password
params.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

cmd/network.go

diff --git a/cmd/network.go b/cmd/network.go
index af97740..b5f4bef 100644
--- a/cmd/network.go
+++ b/cmd/network.go
@@ -221,6 +221,7 @@
 		mac.Write([]byte(strings.ToLower(encodedParams)))
 		signature := base64.StdEncoding.EncodeToString(mac.Sum(nil))
 		encodedParams = encodedParams + fmt.Sprintf("&signature=%s", url.QueryEscape(signature))
+		params = nil
 	} else if len(r.Config.ActiveProfile.Username) > 0 && len(r.Config.ActiveProfile.Password) > 0 {
 		sessionKey, err := Login(r)
 		if err != nil {