Merge pull request #43 from aozima/aozima

fixed DFS elmfat bug.
simulator: assign the x86 32bit version in Enverionment, or the 64bit version will be built with vs2010 in win7 64bit
Merge pull request #44 from prife/toolscript-fix

simulator: assign the x86 32bit version in Enverionment, or the 64bit version will be built with vs2010 in win7 64bit
simulator: make sure LCD driver ready to use after rt_hw_sdl_start is invoked
simulator: fix dfs_win32_mkfs prototype
Merge branch 'master' of github.com:RT-Thread/rt-thread
simulator: update comments,add 'RTT_IN_MODULE' macro in testdll\SConstruct
fix compile warning and error
Merge branch 'master' of https://github.com/RT-Thread/rt-thread
Merge branch 'master' of github.com:RT-Thread/rt-thread
dfs_elm.c: fix the head file conflicts caused by time.h