message: fix comments for callbacks
diff: @@ -212,10 +212,10 @@ class WiFiManager
  //called when wifi settings have been changed and connection was successful ( or setBreakAfterConfig(true) )
  void setSaveConfigCallback( std::function<void()> func );
  - //called when settings have been changed and connection was successful
  + //called when saving either params-in-wifi or params page
  void setSaveParamsCallback( std::function<void()> func );
  - //called when settings before have been changed and connection was successful
  + //called when saving params-in-wifi or params before anything else happens (eg wifi)
  void setPreSaveConfigCallback( std::function<void()> func );
  