Renamed getConfigurationSSID() to getConfigPortalSSID()

WiFiManager.cpp

@@ -206,7 +206,7 @@ String WiFiManager::getPassword() {
   return _pass;
 }
 
-String WiFiManager::getConfigurationSSID() {
+String WiFiManager::getConfigPortalSSID() {
   return _apName;
 }
 

WiFiManager.h

@@ -68,7 +68,7 @@ class WiFiManager
     String        getPassword();
 
     // get the AP name of the config portal, so it can be used in the callback
-    String        getConfigurationSSID();
+    String        getConfigPortalSSID();
 
     void          resetSettings();
     //for convenience