Error while building the package in Julia 0.7

[carranco-sga]

Greetings,

I get the following warnings and errors while trying to build the package on a fresh install of Julia 0.7:

(v0.7) pkg> build PlotlyJS
  Building MbedTLS ─→ `~/.julia/packages/MbedTLS/Qo8TN/deps/build.log`
  Building WebIO ───→ `~/.julia/packages/WebIO/z5EcW/deps/build.log`
  Building Blink ───→ `~/.julia/packages/Blink/KMJt9/deps/build.log`
  Building PlotlyJS → `~/.julia/packages/PlotlyJS/3eSkF/deps/build.log`
┌ Error: Error building `PlotlyJS`: 
│   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
│                                  Dload  Upload   Total   Spent    Left  Speed
100 1332k  100 1332k    0     0   669k      0  0:00:01  0:00:01 --:--:--  669k
│   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
│                                  Dload  Upload   Total   Spent    Left  Speed
100 2726k  100 2726k    0     0  1900k      0  0:00:01  0:00:01 --:--:-- 1898k
│ WARNING: Base.Markdown is deprecated, run `using Markdown` instead
│   likely near /home/gabriel/.julia/packages/PlotlyJS/3eSkF/deps/make_schema_docs.jl:3
│ WARNING: importing deprecated binding Base.Associative into PlotlyJSSchemaDocsGenerator.
│ WARNING: Base.Associative is deprecated, use AbstractDict instead.
│   likely near /home/gabriel/.julia/packages/PlotlyJS/3eSkF/deps/make_schema_docs.jl:8
│ WARNING: importing deprecated binding Base.Nullable into PlotlyJSSchemaDocsGenerator.
│ ERROR: LoadError: LoadError: TypeError: in Type{...} expression, expected UnionAll, got typeof(Base.Nullable)
│ Stacktrace:
│  [1] top-level scope at none:0
│  [2] include(::String) at ./client.jl:398
│  [3] top-level scope at none:0
│  [4] include(::String) at ./client.jl:398
│  [5] top-level scope at none:0
│ in expression starting at /home/gabriel/.julia/packages/PlotlyJS/3eSkF/deps/make_schema_docs.jl:11
│ in expression starting at /home/gabriel/.julia/packages/PlotlyJS/3eSkF/deps/build.jl:10
└ @ Pkg.Operations /builddir/build/BUILD/julia/build/usr/share/julia/stdlib/v0.7/Pkg/src/Operations.jl:1068

Thanks!

[carranco-sga]

Looking around a bit deeper, issue #203 seems the same as this one. Sorry for the duplicated issue.