Removed autosave of selection changes. Save only occurs on lock. Shutdown needs to be added too.

MacPass/MPDocument.h

@@ -78,6 +78,7 @@ FOUNDATION_EXPORT NSString *const MPDocumentGroupKey;
 @property (nonatomic, strong, readonly) KPKCompositeKey *compositeKey;
 
 @property (assign, readonly, getter = isReadOnly) BOOL readOnly;
+@property (atomic, assign) BOOL shouldSaveOnLock;
 @property (nonatomic, readonly, assign) KPKDatabaseFormat formatForFileType;
 
 /*
@@ -162,6 +163,7 @@ FOUNDATION_EXPORT NSString *const MPDocumentGroupKey;
 - (void)deleteNode:(KPKNode *)node;
 - (void)duplicateEntryWithOptions:(KPKCopyOptions)options;
 
+
 #pragma mark Actions
 /**
  *  Empties the Trash group. Removing all Groups and Entries inside. This action is not undo-able