Commands can be now disabled

Commands/PBCommand.h

@@ -19,7 +19,9 @@
 	NSString *commandDescription;
 	
 	NSMutableArray *parameters;
+	BOOL canBeFired;
 }
+@property (nonatomic) BOOL canBeFired;
 @property (nonatomic, retain, readonly) PBGitRepository *repository;
 @property (nonatomic, retain) NSString *commandTitle;
 @property (nonatomic, retain) NSString *commandDescription;

Commands/PBCommand.m

@@ -18,6 +18,7 @@
 @synthesize commandDescription;
 @synthesize commandTitle;
 @synthesize repository;
+@synthesize canBeFired;
 
 - (id) initWithDisplayName:(NSString *) aDisplayName parameters:(NSArray *) params {
 	return [self initWithDisplayName:aDisplayName parameters:params repository:nil];
@@ -33,6 +34,7 @@
 		self.commandTitle = @"";
 		self.commandDescription = @"";
 		self.repository = repo;
+		self.canBeFired = YES;
 	}
 	return self;
 }