Fixed docs and docs-clean target. Added compare support for docs. Reviewed-by: ohair, jjg, ohrstrom
Added configure option --with-import-hotspot=/path/to/j2sdkimage Reviewed-by: dholmes, tbell
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