Change sdk to v23
Change sdk to v23

forkhubs/android,larsgrefer/github-android-app,weiyihz/PocketHub,LeoLamCY/PocketHub,wshh08/PocketHub,forkhubs/android,Meisolsson/PocketHub,PKRoma/PocketHub,PKRoma/github-android,songful/PocketHub,gvaish/PocketHub,acemaster/android,pockethub/PocketHub,Meisolsson/PocketHub,weiyihz/PocketHub,marceloneil/PocketHub,weiyihz/PocketHub,forkhubs/android,marceloneil/PocketHub,larsgrefer/github-android-app,generalzou/PocketHub,zhangtianqiu/githubandroid,Meisolsson/PocketHub,KishorAndroid/PocketHub,KingLiuDao/android,PKRoma/github-android,acemaster/android,pockethub/PocketHub,pockethub/PocketHub,rmad17/PocketHub,repanda/PocketHub,pockethub/PocketHub,gvaish/PocketHub,JLLK/PocketHub-scala,hufsm/PocketHub,rmad17/PocketHub,repanda/PocketHub,marceloneil/PocketHub,cnoldtree/PocketHub,PKRoma/PocketHub,songful/PocketHub,wshh08/PocketHub,larsgrefer/pocket-hub,repanda/PocketHub,larsgrefer/pocket-hub,generalzou/PocketHub,LeoLamCY/PocketHub,gvaish/PocketHub,cnoldtree/PocketHub,songful/PocketHub,wshh08/PocketHub,acemaster/android,zhangtianqiu/githubandroid,LeoLamCY/PocketHub,KingLiuDao/android,hufsm/PocketHub,hufsm/PocketHub,generalzou/PocketHub,rmad17/PocketHub,zhangtianqiu/githubandroid,PKRoma/PocketHub,KingLiuDao/android,larsgrefer/pocket-hub,KishorAndroid/PocketHub,PKRoma/PocketHub,songful/PocketHub,PKRoma/github-android,cnoldtree/PocketHub,KishorAndroid/PocketHub,larsgrefer/github-android-app,Meisolsson/PocketHub