bump dependencies

[larsrh]

In preparation for sbt 1.0.x.

[larsrh]

I have another patch that updates sbt-web to 1.4.1:

diff --git a/plugin/src/main/scala/com/lightbend/paradox/sbt/ParadoxPlugin.scala b/plugin/src/main/scala/com/lightbend/paradox/sbt/ParadoxPlugin.scala
index 95d00d1..24bc290 100644
--- a/plugin/src/main/scala/com/lightbend/paradox/sbt/ParadoxPlugin.scala
+++ b/plugin/src/main/scala/com/lightbend/paradox/sbt/ParadoxPlugin.scala
@@ -104,7 +104,7 @@ object ParadoxPlugin extends AutoPlugin {
     WebKeys.deduplicators in paradoxTheme += SbtWeb.selectFileFrom((sourceDirectory in paradoxTheme).value),
     mappings in paradoxTheme := SbtWeb.deduplicateMappings((mappings in paradoxTheme).value, (WebKeys.deduplicators in paradoxTheme).value),
     target in paradoxTheme := target.value / "paradox" / "theme",
-    paradoxThemeDirectory := SbtWeb.syncMappings(streams.value.cacheDirectory, (mappings in paradoxTheme).value, (target in paradoxTheme).value),
+    paradoxThemeDirectory := SbtWeb.syncMappings(streams.value.cacheDirectory, "sync-mappings", (mappings in paradoxTheme).value, (target in paradoxTheme).value),
 
     paradoxTemplate := {
       val dir = paradoxThemeDirectory.value
@@ -164,7 +164,7 @@ object ParadoxPlugin extends AutoPlugin {
 
     watchSources in Defaults.ConfigGlobal ++= (sourceDirectories in paradox).value.***.get,
 
-    paradox := SbtWeb.syncMappings(streams.value.cacheDirectory, (mappings in paradox).value, (target in paradox).value)
+    paradox := SbtWeb.syncMappings(streams.value.cacheDirectory, "sync-mappings", (mappings in paradox).value, (target in paradox).value)
   ))
 
   def shortVersion(version: String): String = version.replace("-SNAPSHOT", "*")
diff --git a/plugin/src/sbt-test/paradox/template/test b/plugin/src/sbt-test/paradox/template/test
index c6b77e1..044fe00 100644
--- a/plugin/src/sbt-test/paradox/template/test
+++ b/plugin/src/sbt-test/paradox/template/test
@@ -10,6 +10,7 @@ $ must-mirror target/paradox/site/main/page.html expected/page2.html
 
 # switch to a different default template
 > 'set paradoxDefaultTemplateName := "alt"'
+> clean
 > paradox
 $ must-mirror target/paradox/site/main/page.html expected/page3.html
 
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 062c70f..aa16b7f 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -21,7 +21,7 @@ object Version {
   val jtidy      = "r938"
   val pegdown    = "1.6.0"
   val prettify   = "4-Mar-2013"
-  val sbtWeb     = "1.1.1"
+  val sbtWeb     = "1.4.1"
   val scalatest  = "3.0.3"
   val st4        = "4.0.8"
 }
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 735b77b..42c7c33 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -30,7 +30,7 @@ lazy val metaThemePlugin = (project in file("theme-plugin"))
   .settings(
     sbtPlugin := true,
     scalaVersion := "2.10.6",
-    addSbtPlugin("com.typesafe.sbt" % "sbt-web" % "1.1.1"),
+    addSbtPlugin("com.typesafe.sbt" % "sbt-web" % "1.4.1"),
     unmanagedSourceDirectories in Compile :=
       mirrorScalaSource((baseDirectory in ThisBuild).value.getParentFile / "theme-plugin")
   )

Unfortunately, this fails the build when running docs/paradox.

[eed3si9n]

Thank you!