stream.jl: provide flush() for all AsyncStream types (e.g. Pipes, TTYs, and TCP/UDP sockets)
make function and constructor printing terser and more consistent.
Merge pull request #4344 from JuliaLang/sk/function-printing

make function printing more demo-friendly
Add in PREFIX/etc/julia/juliarc.jl file for site-specific commands to be run at startup

Lays the groundwork for addressing #4222
Merge pull request #4350 from Jutho/master

Eigs (arpack) starting vector and additional output
Install platform-dependent juliarc files during `make dist` step
Add in juliarc.jl for OSX, remove environment setting in the Applescript launcher
add MPFR cbrt and fallbacks for FloatingPoint, fix #4352
add links to issues, harmonize whitespace
Merge pull request #4354 from stevengj/cbrt

add MPFR cbrt and fallbacks for FloatingPoint, fix #4352
Add -(::ImaginaryUnit) and make real/imag(::ImaginaryUnit) return Int, not Int32
Merge pull request #4367 from Jutho/master

Updated eigs documentation
don't add links for now
undo automatic tab conversion
reinsert links, but not inline this time
Merge pull request #4365 from andrioni/patch-3

RFC: Add -(::ImaginaryUnit) and make real/imag(::ImaginaryUnit) return Int, not Int32
fix #4368
sortperm: use stable sort (MergeSort) by default [fix #4369]
Document peek(PriorityQueue)
fix #4371