fix for ios8
fix for ios8

AcklenAvenue/PushPlugin,dfilip/PushPlugin-Dev,AcklenAvenue/PushPlugin,dfilip/PushPlugin-Dev,dfilip/PushPluginLegacy,dfilip/PushPluginLegacy,AcklenAvenue/PushPlugin,dfilip/PushPlugin-Dev,AcklenAvenue/PushPlugin,dfilip/PushPluginLegacy