Hardcode ziggurat tables
Clear history search buffers upon ^C/^D

Closes #6370.

Also, minor code format fixes.
REPL search history: add ^U binding (clears buffer)
Merge branch 'master' of https://github.com/JuliaLang/julia
Reset REPL history state after ^C
Merge branch 'master' of https://github.com/JuliaLang/julia
faster done() for StepRange
Generalize arithmetic with ranges

This fixes the following:

julia> (1:3) - 0.25
ERROR: no method -(UnitRange{Int64}, Float64)
repl: remove unused repl-basic.c

Merge repl.h into repl.c.
src/Makefile: remove dead h2j target
fix #6355 (ctrl-z doesn't work in new repl)
repl: don't suspend on windows (fix for 53f2bb78f)
Fix broken link in docs

Also don't set Base as "currentmodule" for Graphics
Update helpdb.jl
Merge branch 'master' of https://github.com/JuliaLang/julia
Merge pull request #6278 from JuliaLang/anj/randn

Hardcode ziggurat tables
Merge branch 'master' of https://github.com/JuliaLang/julia
repl: restore old windows history file path (fixes #6350)
rename '--no-history' -> '--no-history-file'

The REPL does have history, it just isn't saved.
REPL: improve "using" completion

Allows to complete when using followed by
comma-separated lists.