start adding MEMDEBUG2 mode for flisp, which will allocate every object
explicitly with malloc.
get flisp MEMDEBUG2 working reasonably well
Merge branch 'master' of github.com:JuliaLang/julia into jb/flisp-memdebug2
Merge branch 'master' of github.com:JuliaLang/julia into jb/flisp-memdebug2
add GC to MEMDEBUG2 mode
Merge branch 'master' of github.com:JuliaLang/julia into jb/flisp-memdebug2
allow semicolon at end of import and using statements. fixes #4130
Merge branch 'jb/flisp-memdebug2' of github.com:JuliaLang/julia into jb/flisp-memdebug2
Merge branch 'master' of github.com:JuliaLang/julia into jb/flisp-memdebug2
Merge branch 'master' of github.com:JuliaLang/julia into jb/flisp-memdebug2
Merge branch 'jb/flisp-memdebug2' of github.com:JuliaLang/julia into jb/flisp-memdebug2
update SGJ mailmap entries
Pkg.Entry: consistently don't use trailing "." in info messages.
Pkg.Entry: consistently backtick quote commands in info messages.
Pkg.add: warn when METADATA is or may be out of date.
fix windows build
fix #4213. seriously, that was all that was needed?
Pkg.add: accidentally used `@sync` where I meant `@async`.

This doesn't work if I write `@asycn`, but does work if I leave it
out altogether. Unfortunately, when the `@async` task has an error
I still have the code after the `@sync` block executing.

cc: @JeffBezanson
fix a couple small flisp memory bugs. fixes #4976

identified a few more using memdebug2, soon to be merged
start adding MEMDEBUG2 mode for flisp, which will allocate every object
explicitly with malloc.