julia.h: added dllexports
Merge remote-tracking branch 'upstream/master'
dllexported jl_field_index
Merge pull request #5830 from cbecker/master

julia.h: added dllexports
help for minmax and extrema. I believe they were mistakenly added to helpdb.jl before.
fix #5836
fix #5823, mean() over dimension of integer arrays
improve prettyprinting of 2d concatenation expressions
Add edit and less macros, mirroring which

Also add methods for edit and less that take ::Any vararg (again, mirroring which), and specify that the previous definitions take a tuple of DataTypes.
News and doc for edit and less macros
Also add code_{typed,lowered,llvm,native} macros, and extend edit and less to all Callables
Require a tuple of (Type...,) to call the methods that take types