deprecate uikit

REQUIRE

@@ -3,7 +3,6 @@ JSON 0.7
 Compat 0.17
 InteractBase 0.5.0
 InteractBulma 0.3.2
-InteractUIkit 0.3.2
 WebIO
 CSSUtil
 Knockout

doc/notebooks/tutorial.ipynb

@@ -396,7 +396,7 @@
    "source": [
     "## Widget layout\n",
     "\n",
-    "To create a full blown web-app, you should learn the layout tools that the CSS framework you are using provides. Both [Bulma](https://bulma.io/) and [UIkit](https://getuikit.com/) have modern layout tools for responsive design (of course, use Bulma if you're working with the Bulma backend and UIkit if you're working with the UIkit backend). You can use [WebIO](https://github.com/JuliaGizmos/WebIO.jl) to create from Julia the HTML required to create these layouts.\n",
+    "To create a full blown web-app, you should learn the layout tools that the CSS framework you are using provides. See for example the [columns](https://bulma.io/documentation/columns/) and [layout](https://bulma.io/documentation/layout/) section of the Bulma docs. You can use [WebIO](https://github.com/JuliaGizmos/WebIO.jl) to create from Julia the HTML required to create these layouts.\n",
     "\n",
     "However, this can be overwhelming at first (especially for users with no prior experience in web design). A simpler solution is [CSSUtil](https://github.com/JuliaGizmos/CSSUtil.jl), a package that provides some tools to create simple layouts."
    ],

docs/src/index.md

@@ -16,21 +16,18 @@ Creating an app in Interact requires three ingredients:
 
 To get a quick overview of how these tools work together, go to [Tutorial](@ref).
 
-## CSS frameworks
+## CSS framework
 
-Two CSS frameworks are available, based one on [Bulma](https://bulma.io/) and the other on [UIkit](https://getuikit.com/). Choosing one or the other is mainly a matter of taste. Bulma is the default: it is a pure CSS framework (no extra Javascript), which leaves Julia fully in control of manipulating the DOM (which in turn means less surface area for bugs).
+Interact widgets are by default styled with the [Bulma](https://bulma.io/) CSS framework (the previously supported [UIkit](https://getuikit.com/) backend is now deprecated). Bulma is a pure CSS framework (no extra Javascript), which leaves Julia fully in control of manipulating the DOM (which in turn means less surface area for bugs).
 
-To change backend in the middle of the session simply do:
+To use unstyled widgets in the middle of the session (or to style them again) simply do:
 
 ```julia
+settheme!(:nativehtml)
 settheme!(:bulma)
 ```
 
-or
-
-```julia
-settheme!(:uikit)
-```
+respectively.
 
 ## Deployment
 

docs/src/tutorial.jl

@@ -142,7 +142,7 @@ end
 
 # ## Widget layout
 #
-# To create a full blown web-app, you should learn the layout tools that the CSS framework you are using provides. Both [Bulma](https://bulma.io/) and [UIkit](https://getuikit.com/) have modern layout tools for responsive design (of course, use Bulma if you're working with the Bulma backend and UIkit if you're working with the UIkit backend). You can use [WebIO](https://github.com/JuliaGizmos/WebIO.jl) to create from Julia the HTML required to create these layouts.
+# To create a full blown web-app, you should learn the layout tools that the CSS framework you are using provides. See for example the [columns](https://bulma.io/documentation/columns/) and [layout](https://bulma.io/documentation/layout/) section of the Bulma docs. You can use [WebIO](https://github.com/JuliaGizmos/WebIO.jl) to create from Julia the HTML required to create these layouts.
 #
 # However, this can be overwhelming at first (especially for users with no prior experience in web design). A simpler solution is [CSSUtil](https://github.com/JuliaGizmos/CSSUtil.jl), a package that provides some tools to create simple layouts.
 loadbutton = filepicker()

src/Interact.jl

@@ -6,7 +6,7 @@ using Reexport
 
 @reexport using InteractBase
 
-import InteractUIkit, InteractBulma
+import InteractBulma
 import Widgets: Widget, @layout, @nodeps, @map
 
 @reexport using DataStructures
@@ -19,7 +19,7 @@ import Widgets: Widget, @layout, @nodeps, @map
 const notebookdir = joinpath(@__DIR__, "..", "doc", "notebooks")
 
 const themes = Dict(
-    :uikit => InteractUIkit.UIkit(),
+    :nativehtml => InteractBase.NativeHTML(),
     :bulma => InteractBulma.Bulma()
 )