Update docs and display (WIP) (#56)

* try without iframe

* try push_preview

Author: joshday

docs/make.jl

@@ -1,7 +1,7 @@
 using Documenter
 using PlotlyLight
 
-PlotlyLight.settings.use_iframe = true
+# PlotlyLight.settings.use_iframe = true
 
 makedocs(
     sitename = "PlotlyLight",
@@ -19,5 +19,6 @@ makedocs(
 
 
 deploydocs(
-    repo = "https://github.com/JuliaComputing/PlotlyLight.jl"
+    repo = "https://github.com/JuliaComputing/PlotlyLight.jl",
+    push_preview = true
 )