fixed #165 Password generator is reseted if opened as single window not via generate button on entry

MacPass/MPAppDelegate.m

@@ -192,7 +192,7 @@ NSString *const MPDidChangeStoredKeyFilesSettings = @"com.hicknhack.macpass.MPDi
     NSView *creatorView = [_passwordCreatorController view];
     [self.passwordCreatorWindow setContentView:creatorView];
   }
-  
+  [self.passwordCreatorController reset];
   [self.passwordCreatorWindow makeKeyAndOrderFront:self.passwordCreatorWindow];
 }
 

MacPass/MPPasswordCreatorViewController.h

@@ -12,4 +12,11 @@
 
 @property (copy, readonly) NSString *generatedPassword;
 
+/**
+ *  Should be called to reset the generator
+ *
+ *  @param sender sender of the action
+ */
+- (void)reset;
+
 @end

MacPass/MPPasswordCreatorViewController.m

@@ -108,13 +108,18 @@ typedef NS_ENUM(NSUInteger, MPPasswordRating) {
   [self.symbolsButton setTag:MPPasswordCharactersSymbols];
   
   [self _resetCharacters];
-  [self _generatePassword:nil];
+  [self _generatePassword:self];
+}
+
+- (void)reset {
+  [self _resetCharacters];
+  [self _generatePassword:self];
 }
 
 #pragma mark -
 #pragma mark Actions
 
-- (IBAction)_generatePassword:(id)sender { 
+- (IBAction)_generatePassword:(id)sender {
   if(_useCustomString) {
     if([[_customCharactersTextField stringValue] length] > 0) {
       self.password = [[_customCharactersTextField stringValue] passwordWithLength:_passwordLength];