修正OCNavigatioinBar.m中关于titleView的bug；升级GMPhobos

Example/Pods/GMPhobos/Pod/Classes/UIViewController+Phobos.h

+//
+//  UIViewController+Phobos.h
+//  Pods
+//
+//  Created by wangyang on 16/7/12.
+//
+//
+
+#import <UIKit/UIKit.h>
+
+@interface UIViewController (Phobos)
+/**
+ *  @author 翟国钧, 16-02-24 17:02:22
+ *
+ *  @brief 埋点的时候，有些埋点都需要业务id，比如DoctorId，针对那些只能在父类中埋点的业务，要在子类中设置当前id，然后在父类中取到
+ *  在一些详情页的分享和收藏的时候，由于分享、收藏的方法在basewebview里，所以，统一在里面做处理，但是需要在子类中把想要的参数传过去。包括：type（类型）、from（来自哪）、businessId（对应业务id）
+ *  @since 5.9.1
+ */
+@property (nonatomic, copy, nonnull) NSString *businessId;
+
+/**
+ *  @author 翟国钧  in 16-02-25 19:02:32
+ *
+ *  @brief 获取前一个页面的pageName
+ *
+ *  @since 5.9.1
+ */
+@property (nonatomic, strong, readonly, nonnull) NSString *referer;
+
+/**
+ *  @author 翟国钧 in 16-02-25 19:02:32
+ *
+ *  埋点pv事件中当前页面的别名
+ *  @since 5.9.1
+ */
+@property (nonatomic, copy, nonnull) NSString *pageName;
+@end

Example/Pods/GMPhobos/Pod/Classes/UIViewController+Phobos.m

+//
+//  UIViewController+Phobos.m
+//  Pods
+//
+//  Created by wangyang on 16/7/12.
+//
+//
+
+#import "UIViewController+Phobos.h"
+#import <objc/runtime.h>
+
+@implementation UIViewController (Phobos)
+/**
+ *  @author 翟国钧, 16-03-01 15:03:24
+ *
+ *  @brief 取当前导航栈中当前VC的上级VC，如果该VC存在，就获取他的pageName
+ *
+ *  @return 前一页的pageName
+ *
+ *  @since 5.9.1
+ */
+- (NSString *)referer
+{
+    NSArray *navigationPool = self.navigationController.viewControllers;
+    NSInteger refererIndex = navigationPool.count - 2;
+    if (refererIndex < 0 ) {
+        return @"";
+    }
+
+    UIViewController *controller = navigationPool[refererIndex];
+    return controller.pageName == nil ? @"" : controller.pageName;
+}
+
+- (NSString *)pageName {
+    NSString *name = objc_getAssociatedObject(self, @selector(pageName));
+    return name == nil ? @"" : name;
+}
+
+- (void)setPageName:(NSString *)pageName {
+    objc_setAssociatedObject(self, @selector(pageName), pageName, OBJC_ASSOCIATION_COPY);
+}
+
+- (NSString *)businessId {
+    NSString *businessId = objc_getAssociatedObject(self, @selector(businessId));
+    return businessId == nil ? @"" : businessId;
+}
+
+- (void)setBusinessId:(NSString *)businessId {
+    objc_setAssociatedObject(self, @selector(businessId), businessId, OBJC_ASSOCIATION_COPY);
+}
+@end