8143296: javac-server/sjavac not compatible with LogFailures on Windows
Reviewed-by: ihse

8040332: fixpath must explicitly quote empty string parameters.
Reviewed-by: ihse

8039411: Enhance fixpath to allow environment variable assignments.
Reviewed-by: tbell, erikj

8005635: build-infra: Support building install in jprt
Reviewed-by: ohair
Contributed-by: tim.bell@oracle.com, erik.joelsson@oracle.com

8000992: Update new build-infra makefiles
Summary: Build-infra project integration. Multiple authors on this work: erikj and ihse primarily, also changes from ohair, tbell, and dholmes. Special credit to ohstrom for his smartjavac work.
Reviewed-by: erikj, ihse, dholmes, tbell