prepare to deprecate strcat in favor of string
deprecate system()
Build a bikeshed.

This particular one doesn't house bikes, but TcpSocket (a curious
bikeshed indeed). Now you can do stuff like

listen(1234) do server, status
    client = accept(server)
    println(client,"Hello World")
    close(client)
end

And other fun stuff
pkg/resolve: improve unsat error message
pkg: add check_repository
fix of last example

fix of last example
doc/manual/array.rst last example

show SubArray b's dimensions and elements
doc/manual/array.rst last example

show SubArray b's dimensions and elements
Merge pull request #2127 from wlbksy/patch-3

fix of last example
Update mailmap
Merge branch 'master' of github.com:JuliaLang/julia
sorting: various cosmetic code tweaks.
reorganize deprecations
fix formatting in socket.jl
select: our select algorithm was broken, this fixes it [fixes #2103].

This version has various assertions included in comments, which I have
verified to be satisfied. Will remove them next.
select: remove assertion comments.
Merge branch 'master' of github.com:JuliaLang/julia
fix for paths with spaces on windows

Way too easy to miss
Merge pull request #2132 from WestleyArgentum/patch-6

fix for paths with spaces on windows
start adding very basic parallel tests. they do not pass.