Restricts worker terminated message to error conditions. rmprocs() waits for workers to exit.
Fix stride for SubArray, add tests
fix #3765
Pkg2: available & status commands for showing what's up.
Pkg2: handle non-repo packages better.
add documentation for task- and parallel-related macros.
closes #3760, closes #3099
gc improvement: use both depth-first and breadth-first marking

mark depth-first up to some limit, and queue objects after that. this
avoids copying long arrays of pointers into the mark queue, which can
waste a lot of memory. I also managed to flatten most of the marking
into a single function, which seems to make marking faster in general.
document detach and ignorestatus. closes #2785
Export detach
document some more process functions and update helpdb
closes #1921
add some missing function documentation
Merge pull request #3768 from simonster/export-detach

Export detach
Add in special case handler for when we haven't got an exception handler, but a jl_errorf() happens anyway
Merge pull request #3767 from staticfloat/exceptionfix

RFC: Add in special case handler for bootstrap errors
Add Tcl and Tk frameworks to the julia binaries.
fix #3771
Fix matrix vector multiplication when dimension is zero
Merge pull request #3774 from JuliaLang/anj/fixgemv

Fix matrix vector multiplication when dimension is zero
Merge pull request #3754 from amitmurthy/amitm/suppress

Restricts worker terminated message to error conditions. rmprocs() waits...
faster SubString getindex