Updates for julia-0.7

[ederag]

WIP. Updates for julia-0.7 (using Plots still has errors)

currently stuck on

ERROR: LoadError: LoadError: LoadError: Must call userplot on a type/immutable expression.  Got: mutable struct ShowTheme
    #= /home/ederag/.julia/v0.7/RecipesBase/src/RecipesBase.jl:374 =#
    args
end

It seem related to the deprecation of type

Replacing @userplot with

@userplot mutable struct ShowTheme
    args
end

now _userplot in RecipesBase.jl fails with
Must call userplot on a type/immutable expression. Got: mutable struct ShowTheme
Tried to replace
if expr.head != :type with
if ! isstructtype(expr.head)
but then
LoadError: MethodError: no method matching isstructtype(::Symbol)

Updating _userplot is too much for a julia newbie.
Giving up.

[mkborregaard]

Yes, this is definitely very advanced stuff for a julia newbie. You're welcome to make a smaller functional PR to the 0.7 branch on the JuliaPlots fork fork of Plots (this is my personal fork).

[ederag]

A PR to your fork was intentional, since you already started working on a julia v0.7 branch,
and it was not possible to test it before the advanced stuff is solved.
You could just use that as a starting point, to save some time.
But maybe you mean that femtocleaner will be used and this PR is not necessary any longer ?

[mkborregaard]

Femtocleaner will be used, yes.
There's also a 0.7 branch on the JuliaPlots repo. But thanks for the effort, much appreciated.

[ederag]

Understood.