Add the display for unregister requests

Rename all ocurrences of uninscription
to unregister
Rework the uninscriptionRequest so we have an history and it doesn't take an user so better security

frontend/src/rest/requests.js

@@ -21,7 +21,7 @@ export async function editEquivalenceState(id, newstate){
 }
 
 export async function addUninscReq(userId, reason){
-    return restPost("/uninscriptionreq", {"userId" : userId, "reason" : reason})
+    return restPost("/unregister", {"userId" : userId, "reason" : reason})
 }
 
 export async function editScholarshipReq(body){
@@ -30,4 +30,8 @@ export async function editScholarshipReq(body){
 
 export async function getScholarshipReqById(id){
     return restGet("/scholarshipreq/"+id)
+}
+
+export async function getAllUnregisters(){
+    return restGet("/unregister")
 }