Change go-iden3 dependencies to vocdoni/go-iden3

New iden3 merkleTree implementation is not longer compatible. Until new
documentation is availabl and vocdoni code is adapted, use frozen
version of go-iden3 implementation.

README.md

@@ -1,2 +1,2 @@
 # dVote-process
-Library to work with the creation and management of voting processes
+Library to work with the creation and management of vocdoni census

service/processHttp.go

@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"time"
 	"log"
-	"github.com/vocdoni/dvote-process/tree"
+	"github.com/vocdoni/dvote-census/tree"
 )
 
 var T tree.Tree

tree/tree.go

@@ -1,10 +1,10 @@
 package tree
 
 import (
-  "github.com/iden3/go-iden3/db"
-  "github.com/iden3/go-iden3/merkletree"
-  mkcore "github.com/iden3/go-iden3/core"
-  common3 "github.com/iden3/go-iden3/common"
+  "github.com/vocdoni/go-iden3/db"
+  "github.com/vocdoni/go-iden3/merkletree"
+  mkcore "github.com/vocdoni/go-iden3/core"
+  common3 "github.com/vocdoni/go-iden3/common"
   "os/user"
 )