更新主分支版本： build 549 rev 18 。

--HG--
branch : master
rename : Tools/Scripts/SHBuild-appconf.sh => Tools/Scripts/SHBuild-BuildApp.sh
rename : Tools/Scripts/common-options.sh => Tools/Scripts/SHBuild-common-options.sh
rename : Tools/Scripts/common-toolchain.sh => Tools/Scripts/SHBuild-common-toolchain.sh
rename : Tools/Scripts/common.sh => Tools/Scripts/SHBuild-common.sh