Add shortcuts and menu items for different views

PBDetailController.h

@@ -25,4 +25,8 @@
 @property (retain) PBGitCommit* rawCommit;
 @property (retain) PBGitTree* gitTree;
 
+- (IBAction) setDetailedView: sender;
+- (IBAction) setRawView: sender;
+- (IBAction) setTreeView: sender;
+
 @end

PBDetailController.m

@@ -61,4 +61,15 @@
 	}
 }
 
+- (IBAction) setDetailedView: sender {
+	self.selectedTab = [NSNumber numberWithInt:0];
+}
+- (IBAction) setRawView: sender {
+	self.selectedTab = [NSNumber numberWithInt:1];
+}
+- (IBAction) setTreeView: sender {
+	self.selectedTab = [NSNumber numberWithInt:2];
+}
+
+
 @end

PBGitCommit.m

@@ -33,7 +33,8 @@
 
 	NSFileHandle* handle = [self.repository handleForCommand:[@"show --pretty=raw " stringByAppendingString:self.sha]];
 	details = [[NSString alloc] initWithData:[handle readDataToEndOfFile] encoding: NSASCIIStringEncoding];
-	return  details;
+
+	return details;
 }
 
 - (PBGitTree*) tree