Merge branch 'typelevel-readme' of github.com:typelevel/scala into typelevel-readme

Author: milessabin

README.md

@@ -125,7 +125,7 @@ res6: Int = 23
 Requirements for using Typelevel Scala in your existing projects,
 
 + You must be using Lightbend Scala 2.11.11, 2.12.4 or 2.13.0-M2.
-+ You must be using SBT 0.13.13 or later.
++ You must be using SBT 0.13.15 or later.
 + Your build should use `scalaOrganization.value` and `CrossVersion.patch` appropriately.
 
   You can find many examples linked to from [this issue][build-tweaks-1].

build.sbt

@@ -7,11 +7,11 @@ scalaVersion := "2.11.8"
 micrositeName := "Typelevel"
 micrositeDescription := "Our fork of the Scala compiler"
 micrositeAuthor := "Typelevel contributors"
-micrositeHomepage := "http://typelevel.org/scala"
+micrositeHomepage := "http://typelevel.org/scala/"
 micrositeGithubOwner := "typelevel"
 micrositeGithubRepo := "scala"
 micrositeBaseUrl := "scala"
-micrositeDocumentationUrl := "docs"
+micrositeDocumentationUrl := "docs/"
 micrositeExtraMdFiles := Map(
   file("README.md") -> ExtraMdFileConfig(
     "index.md",

notes/typelevel-4.md

@@ -296,7 +296,7 @@ More details on the [PR][pr-trailing-commas].
 Requirements for using Typelevel Scala in your existing projects,
 
 + You must be using Lightbend Scala 2.11.11, 2.12.3 or 2.13.0-M2.
-+ You must be using SBT 0.13.13 or later.
++ You must be using SBT 0.13.15 or later.
 + Your build should use `scalaOrganization.value` and `CrossVersion.patch` appropriately.
 
   You can find many examples linked to from [this issue][build-tweaks-1].