fixed audio in docs and removed arraypartition patch

Author: nantonel

.travis.yml

@@ -23,7 +23,6 @@ jobs:
       julia: 1.1
       os: linux
       script:
-        - julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd()));
-                                               Pkg.instantiate()'
+        - julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
         - julia --project=docs/ docs/make.jl
       after_success: skip

docs/src/demos.md

@@ -15,11 +15,11 @@ Clipped audio sample
 
 (**Warning** there are severe distortions and you might want to turn down your volume before playing)
 ```@raw html        
-<audio src="assets/clipped.wav" controls preload></audio>
+<audio src="https://raw.githubusercontent.com/kul-forbes/StructuredOptimization.jl/master/docs/src/assets/clipped.wav" controls preload></audio>
 ```
 
 De-clipped audio sample 
 
 ```@raw html        
-<audio src="assets/declipped.wav" controls preload></audio>
+<audio src="https://raw.githubusercontent.com/kul-forbes/StructuredOptimization.jl/master/docs/src/assets/declipped.wav" controls preload></audio>
 ```

src/arraypartition.jl

@@ -34,7 +34,3 @@ end
     h::ProximalOperators.ProximableFunction,
     x::RecursiveArrayTools.ArrayPartition
 ) = ProximalOperators.gradient!(y.x, h, x.x)
-
-# fix to https://github.com/JuliaDiffEq/RecursiveArrayTools.jl/issues/68
-# possibly remove it once issue is resolved
-Base.copyto!(x::ArrayPartition, y::ArrayPartition) = x .= y