Removed the code to circumvent #389 in DriverTestStartHandler, as the test passes since #751
Removed the code to circumvent #389 in FailDriver, as the test passes since #751
Removed the code to circumvent #389 in the FileTest, as the test passes since #751
Removed the code to circumvent #389 in the FileTest, as the test passes since #751
remove DllsForCLR.config generation from driver code
Merge pull request #753 from Microsoft-CISL/YingdaReef

remove DllsForCLR.config generation from driver code
increase test timeouts to make all unit tests pass on slow machines and on YARN
Merge branch 'master' into weimer_389
Merge remote-tracking branch 'origin' into reef-bridge