Fix some broken doctests

Author: timholy

docs/src/conversions_views.md

@@ -395,12 +395,12 @@ julia> a2 = [1.0,2.0]'
 julia> a1p, a2p = paddedviews(0, a1, a2);   # 0 is the fill value
 
 julia> a1p
-2×2 PaddedViews.PaddedView{Int64,2,Tuple{Base.OneTo{Int64},Base.OneTo{Int64}},Array{Int64,2}}:
+2×2 PaddedView(0, ::Array{Int64,2}, (Base.OneTo(2), Base.OneTo(2))) with eltype Int64:
  1  0
  2  0
 
 julia> a2p
-2×2 PaddedViews.PaddedView{Float64,2,Tuple{Base.OneTo{Int64},Base.OneTo{Int64}},LinearAlgebra.Adjoint{Float64,Array{Float64,1}}}:
+2×2 PaddedView(0.0, ::LinearAlgebra.Adjoint{Float64,Array{Float64,1}}, (Base.OneTo(2), Base.OneTo(2))) with eltype Float64:
  1.0  2.0
  0.0  0.0
 ```

docs/src/imagemetadata.md

@@ -139,14 +139,14 @@ Int64 ImageMeta with:
   data: 3×5 reshape(::UnitRange{Int64}, 3, 5) with eltype Int64
   properties:
     maxsum: [42, 45]
-    spatialproperties: Set(Symbol[:maxsum])
+    spatialproperties: Set([:maxsum])
 
 julia> imgp = permutedims(img, (2,1))
 Int64 ImageMeta with:
   data: 5×3 Array{Int64,2}
   properties:
     maxsum: [45, 42]
-    spatialproperties: Set(Symbol[:maxsum])
+    spatialproperties: Set([:maxsum])
 
 julia> maximum(sum(imgp, dims=1))
 45

docs/src/indexing.md

@@ -34,7 +34,7 @@ julia> summary(img)
 "386×386 Array{Gray{N0f8},2} with eltype Gray{Normed{UInt8,8}}"
 
 julia> summary(imgrot)
-"OffsetArray(::Array{Gray{N0f8},2}, -59:446, -59:446) with eltype Gray{Normed{UInt8,8}} with indices -59:446×-59:446"
+"506×506 OffsetArray(::Array{Gray{N0f8},2}, -59:446, -59:446) with eltype Gray{Normed{UInt8,8}} with indices -59:446×-59:446"
 ```
 
 While `img` has axes that start with the conventional 1, the