Update podspec version.
Update podspec version.

jiqiuyucool/RDVTabBarController,faimin/RDVTabBarController,keyeMyria/RDVTabBarController,xuanyi0627/RDVTabBarController,xuzhenguo/RDVTabBarController,gooc/RDVTabBarController,various/RDVTabBarController,spbreak/RDVTabBarController,bpc/RDVTabBarController,kohtenko/RDVTabBarController,waynett/RDVTabBarController,justinyaoqi/RDVTabBarController,SummerHF/RDVTabBarController,AlexanderMazaletskiy/RDVTabBarController,robbdimitrov/RDVTabBarController,blmyself/RDVTabBarController,wayne798/RDVTabBarController,SilverBulletZyp/RDVTabBarController