Add support for closing with pan gesture
Add support for closing with pan gesture

plummer/KYDrawerController,ppamorim/KYDrawerController,Jinxiaoming/KYDrawerController,ykyouhei/KYDrawerController,ppamorim/KYDrawerController,plummer/KYDrawerController,Jinxiaoming/KYDrawerController,ykyouhei/KYDrawerController,ykyouhei/KYDrawerController