修改数据库、离线下载图片位置
Merge branch 'master' into 1.0.2

Conflicts:
	gxhyd.xcodeproj/project.pbxproj

gxhyd.xcworkspace/xcuserdata/angelshine.xcuserdatad/UserInterfaceState.x
cuserstate
	gxhyd/DsDBManager.m
	gxhyd/DsSettingTableViewController.m
	gxhyd/OfflineDownloadHelper.m