update type of code_lowered to Callable instead of Function
Merge branch 'master' of github.com:JuliaLang/julia
Merge branch 'master' of github.com:JuliaLang/julia

Conflicts:
	base/reflection.jl
Merge branch 'master' of github.com:JuliaLang/julia
Added notes function example 

Added notes function example under Composite Types showing how to return a list of field names
Merge pull request #6600 from EconometricsBySimulation/patch-1

Added notes function example
Reference extrema from documentation of minmax

I have forgotten a few times what the `extrema` function is called, and end up looking at the documentation for `minmax`. This adds the helpful hint that I would have appreciated.
Merge pull request #6603 from ivarne/patch-1

Reference extrema from documentation of minmax
Doc: cross-reference extrema in minmax
fix #6591

missing type in box() in emit_lambda_closure
Merge branch 'master' of github.com:JuliaLang/julia
Fix #6505
fix #5237
Merge branch 'master' of https://github.com/JuliaLang/julia