1.0.0 Beta v5

Incorporates new features and bug fixes. Includes the following additional feature/bug branches compared to beta.4:

1.0.0-beta.5: 699-fix-warnings-from-empire
1.0.0-beta.5: 697-fix-warnings
1.0.0-beta.5: 696-add-strategy-arg-to-hierlb
1.0.0-beta.5: 691-gossiplb-pmf-update
1.0.0-beta.5: 689-tracing-spec
1.0.0-beta.5: 682-fix-user-event-trace
1.0.0-beta.5: 680-simplify-trace-pairs
1.0.0-beta.5: 676-fix-user-event-trace
1.0.0-beta.5: 673-print-stats-after
1.0.0-beta.5: 671-clang-9-warnings
1.0.0-beta.5: 668-gcc-9-2-0-signed-unsigned-warnings
1.0.0-beta.5: 663-fix-trace-warnings
1.0.0-beta.5: 659-clang-warnings
1.0.0-beta.5: 651-gossiplb-crash
1.0.0-beta.5: 643-trace-log-no-uptr
1.0.0-beta.5: 642-simplify-trace-pairs
1.0.0-beta.5: 635-demangler-fixup
1.0.0-beta.5: 634-bug-memory-transpose
1.0.0-beta.5: 630-progress-function
1.0.0-beta.5: 628-pending-send-bug
1.0.0-beta.5: 621-epoch-leak
1.0.0-beta.5: 619-tr_begin-may-be-used-uninitialized-dev
1.0.0-beta.5: 617-trace-memory-leaks
1.0.0-beta.5: 615-collection-chain-default-DS
1.0.0-beta.5: 611-trace-bug-clang-3.9
1.0.0-beta.5: 610-objgroup-local-trace-bug
1.0.0-beta.5: 608-gossiplb-bugs
1.0.0-beta.5: 603-dladdr-link
1.0.0-beta.5: 599-event-logging-leaks
1.0.0-beta.5: 597-migration-leak
1.0.0-beta.5: 586-minor-argscc-cleanup
1.0.0-beta.5: 581-disable-fcontext-by-default
1.0.0-beta.5: 554-demangler-chk-1.0
1.0.0-beta.5: 537-elim-autoregistry-lambda
1.0.0-beta.5: 521-elim-autoregistry-lambda