Added new constant for the `--resource-root` option (ceylon/ceylon-compiler#1480)
Added new constant for the `--resource-root` option (ceylon/ceylon-compiler#1480)

jvasileff/ceylon-common,ceylon/ceylon-common,ceylon/ceylon-common,jvasileff/ceylon-common,jvasileff/ceylon-common,ceylon/ceylon-common