Update the BKL to binary only. Add a bk source license. Update the build instructions.
Update the BKL to binary only.
Add a bk source license.
Update the build instructions.

bk: 3c71cfd8RQ_hMEOjXFEoC_LGuyGK-A
bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper