readme updates, post-2.0.0

Author: SethTisue

README.md

@@ -1,21 +1,19 @@
 # scala-parser-combinators
 
 [<img src="https://img.shields.io/travis/scala/scala-parser-combinators.svg"/>](https://travis-ci.org/scala/scala-parser-combinators)
-[<img src="https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-parser-combinators_2.11.svg?label=latest%20release%20for%202.11"/>](http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-parser-combinators_2.11)
 [<img src="https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-parser-combinators_2.12.svg?label=latest%20release%20for%202.12"/>](http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-parser-combinators_2.12)
 [<img src="https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-parser-combinators_2.13.svg?label=latest%20release%20for%202.13"/>](http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-parser-combinators_2.13)
+[<img src="https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-parser-combinators_3.svg?label=latest%20release%20for%203"/>](http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-parser-combinators_3)
 
 ### Scala Standard Parser Combinator Library
 
 This library was originally part of the Scala standard library, but is now community-maintained, under the guidance of the Scala team at Lightbend. If you are interested in helping please contact [@Philippus](https://github.com/philippus) or [@SethTisue](https://github.com/SethTisue).
 
-The latest stable release is 1.1.2.
-
-The 1.2.0-RCx series supports Scala 3.
+The latest stable release is 2.0.0.
 
 ## Documentation
 
- * [Current API](https://javadoc.io/page/org.scala-lang.modules/scala-parser-combinators_2.12/latest/scala/util/parsing/combinator/index.html)
+ * [Current API](https://javadoc.io/page/org.scala-lang.modules/scala-parser-combinators_2.13/latest/scala/util/parsing/combinator/index.html)
  * The [Getting Started](docs/Getting_Started.md) guide
  * A more complicated example, [Building a lexer and parser with Scala's Parser Combinators](https://enear.github.io/2016/03/31/parser-combinators/)
  * "Combinator Parsing", chapter 33 of [_Programming in Scala, Third Edition_](http://www.artima.com/shop/programming_in_scala), shows how to apply this library to e.g. parsing of arithmetic expressions. The second half of the chapter examines how the library is implemented.
@@ -24,7 +22,7 @@ The 1.2.0-RCx series supports Scala 3.
 To depend on scala-parser-combinators in sbt, add something like this to your build.sbt:
 
 ```
-libraryDependencies += "org.scala-lang.modules" %% "scala-parser-combinators" % "1.1.2"
+libraryDependencies += "org.scala-lang.modules" %% "scala-parser-combinators" % "2.0.0"
 ```
 
 To support multiple Scala versions, see the example in [scala/scala-module-dependency-sample](https://github.com/scala/scala-module-dependency-sample).
@@ -34,7 +32,7 @@ To support multiple Scala versions, see the example in [scala/scala-module-depen
 Scala-parser-combinators is also available for Scala.js and Scala Native:
 
 ```
-libraryDependencies += "org.scala-lang.modules" %%% "scala-parser-combinators" % "1.1.2"
+libraryDependencies += "org.scala-lang.modules" %%% "scala-parser-combinators" % "2.0.0"
 ```
 
 ## Example