Clear scrollback on terminal clear in watch mode (#2230)
Clear scrollback on terminal clear in watch mode (#2230)

* Send reset screen symbol instead of clear

* Use other symbol for clearing terminal on Windows

* Clear remaining screen on linux/os x

mpontus/jest,skovhus/jest,bookman25/jest,bookman25/jest,bookman25/jest,cpojer/jest,skovhus/jest,facebook/jest,ide/jest,skovhus/jest,cpojer/jest,mpontus/jest,mpontus/jest,ide/jest,facebook/jest,cpojer/jest,facebook/jest,ide/jest