Fix a bug in function sdio_unregister_driver

[DFS] fix fattime different from elmfat definition

[Kernel] Update date in the kservice.c

Update year info from 2016 to 2017

[net] Modbus update KConfig.

[Bsp] stm32f10x usart correct rx parity err

[dfs] fix the f_bsize and f_blocks issue in function dfs_uffs_statfs

[BSP] 增加bsp：stm32f429-apollo

static void copydir(const char * src, const char * dst)

硬件信息：正点原子apollo 开发板
本bsp已实现功能：UFFS,FAT(SDcard),应用模块

[Kernel] Fix thread delete and thread detach bug. #712

[SQLite] fix fdatasync bug

Update README.md

[lwIP] Add lwip-2.0.2 TCP/IP Stack

[DFS] update elm fatfs to 0.12b version.

[DeviceDrivers] pin: add irq APIs.

[DeviceDrivers] 增强串口 DMA 接收驱动的可靠性

[BSP EFM32] Fix building issue

[BSP] correct stm32f10x txisr error