Switch to privacybydesign/gabi like in the rest of irmago

Co-authored-by: Confiks <confiks@scriptbase.org>

server/api.go

@@ -7,7 +7,7 @@ import (
 	"runtime/debug"
 
 	"github.com/Sirupsen/logrus"
-	"github.com/mhe/gabi"
+	"github.com/privacybydesign/gabi"
 	"github.com/privacybydesign/irmago"
 )
 

server/backend/api.go

@@ -10,8 +10,8 @@ import (
 
 	"github.com/Sirupsen/logrus"
 	"github.com/go-errors/errors"
-	"github.com/mhe/gabi"
-	"github.com/mhe/gabi/big"
+	"github.com/privacybydesign/gabi"
+	"github.com/privacybydesign/gabi/big"
 	"github.com/privacybydesign/irmago"
 	"github.com/privacybydesign/irmago/server"
 )

server/backend/handle.go

 package backend
 
 import (
-	"github.com/mhe/gabi"
+	"github.com/privacybydesign/gabi"
 	"github.com/privacybydesign/irmago"
 	"github.com/privacybydesign/irmago/server"
 )

server/backend/helpers.go

@@ -6,7 +6,7 @@ import (
 
 	"github.com/dgrijalva/jwt-go"
 	"github.com/go-errors/errors"
-	"github.com/mhe/gabi"
+	"github.com/privacybydesign/gabi"
 	"github.com/privacybydesign/irmago"
 	"github.com/privacybydesign/irmago/server"
 )

server/backend/sessions.go

@@ -5,8 +5,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/mhe/gabi"
-	"github.com/mhe/gabi/big"
+	"github.com/privacybydesign/gabi"
+	"github.com/privacybydesign/gabi/big"
 	"github.com/privacybydesign/irmago"
 	"github.com/privacybydesign/irmago/server"
 )