iOS: add about files and allow scaling when rotate

contrib/mobile/iOS/Onelab/AboutViewController.h

+//
+//  AboutViewController.h
+//  Onelab
+//
+//  Created by Maxime Graulich on 21/03/14.
+//  Copyright (c) 2014 Maxime Graulich. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface AboutViewController : UIViewController
+
+@property (weak, nonatomic) IBOutlet UIWebView *aboutView;
+
+@end

contrib/mobile/iOS/Onelab/AboutViewController.mm

+//
+//  AboutViewController.m
+//  Onelab
+//
+//  Created by Maxime Graulich on 21/03/14.
+//  Copyright (c) 2014 Maxime Graulich. All rights reserved.
+//
+
+#import "AboutViewController.h"
+#import "Gmsh/GmshVersion.h"
+#import "Gmsh/GmshConfig.h"
+#import "GetDP/GetDPVersion.h"
+#import "GetDP/GetDPConfig.h"
+
+
+@interface AboutViewController ()
+
+@end
+
+@implementation AboutViewController
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
+{
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        // Custom initialization
+    }
+    return self;
+}
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+    // Do any additional setup after loading the view.
+    [self.aboutView loadHTMLString:[NSString stringWithFormat:@"<center><h3>Onelab for iOS</h3>Version %@<p>Visit <a href=\"http://onelab.info/\">http://onelab.info/</a> for more information</p><h3>Gmsh</h3>Version %s<p>Copyright (C) 1997-2014<br>Christophe Geuzaine and Jean-Francois Remacle</p><p><a href=\"http://geuz.org/gmsh/doc/CREDITS.txt\">Credits</a> and <a href=\"http://geuz.org/gmsh/doc/LICENSE.txt\">licensing information</a><p>Please send all questions and bug reports to <a href=\"mailto:gmsh@geuz.org\">gmsh@geuz.org</a></center><ul><li><i>Build OS:</i> %s</li><li><i>Build date:</i> %s</li><li><i>Build options:</i> %s</li></ul><center><p>Visit <a href=\"http://geuz.org/gmsh/\">http://geuz.org/gmsh/</a> for more information</p><h3>GetDP</h3>Version %s<p>Copyright (C) 1997-2014<br>Christophe Geuzaine and Patrick Dular</p><p><a href=\"http://geuz.org/getdp/doc/CREDITS.txt\">Credits</a> and <a href=\"http://geuz.org/getdp/doc/LICENSE.txt\">licensing information</a><p>Please send all questions and bug reports to <a href=\"mailto:getdp@geuz.org\">getdp@geuz.org</a></center><ul><li><i>Build OS:</i> %s</li><li><i>Build date:</i> %s</li><li><i>Build options:</i> %s</li></ul><center><p>Visit <a href=\"http://geuz.org/getdp/\">http://geuz.org/getdp/</a> for more information</p></center>",
+                                    [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"],
+                                    GMSH_VERSION,
+                                    GMSH_OS,
+                                    GMSH_DATE,
+                                    GMSH_CONFIG_OPTIONS,
+                                    GETDP_VERSION,
+                                    GETDP_OS,
+                                    GETDP_DATE,
+                                    GETDP_CONFIG_OPTIONS]
+                           baseURL:nil];
+    
+}
+
+- (void)didReceiveMemoryWarning
+{
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+/*
+#pragma mark - Navigation
+
+// In a storyboard-based application, you will often want to do a little preparation before navigation
+- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
+{
+    // Get the new view controller using [segue destinationViewController].
+    // Pass the selected object to the new view controller.
+}
+*/
+
+@end

contrib/mobile/iOS/Onelab/ModelViewController.mm

@@ -218,7 +218,7 @@
 -(void)prevAnimation { animation_prev(); [self requestRender]; }
 -(IBAction)pinch:(UIPinchGestureRecognizer *)sender
 {
-    if(!glView->rotate && [sender numberOfTouches] != 1) {
+    if([sender numberOfTouches] != 1) {
 		float mScale = scaleFactor;
 		if (sender.state == UIGestureRecognizerStateBegan)
 			mScale = scaleFactor;