Update dependencies and Scala versions

Author: Alex Zolotko

README.md

@@ -17,7 +17,7 @@ Add following to `project/plugins.sbt`
 ```
 resolvers += "TNM" at "https://nexus.thenewmotion.com/content/groups/public"
 
-addSbtPlugin("com.newmotion" % "sbt-build-seed" % "5.0.4")
+addSbtPlugin("com.newmotion" % "sbt-build-seed" % "5.0.7")
 ```
 
 To develop a library in your build.sbt use:

ScalaVersion.scala

@@ -1,7 +1,7 @@
 package tnm
 
 object ScalaVersion {
-  val curr = "2.13.2"
-  val prev = "2.12.11"
+  val curr = "2.13.3"
+  val prev = "2.12.12"
   val aged = "2.11.12"
 }

build.sbt

@@ -1,13 +1,12 @@
 import Defaults._
-import aether.AetherKeys.aetherCoordinates
 
 sbtPlugin := true
 enablePlugins(OssLibPlugin)
 
 organization := "com.newmotion"
 name := "sbt-build-seed"
 
-crossSbtVersions := Vector("0.13.18", "1.3.0")
+crossSbtVersions := Vector("0.13.18", "1.3.13")
 releaseCrossBuild := false
 
 scalaVersion := tnm.ScalaVersion.prev
@@ -17,8 +16,8 @@ libraryDependencies ++= {
   val scalaV = (scalaBinaryVersion in pluginCrossBuild).value
 
   Seq(
-    "com.github.gseitz" % "sbt-release" % "1.0.11",
-    "no.arktekk.sbt" % "aether-deploy" % "0.21"
+    "com.github.gseitz" % "sbt-release" % "1.0.13",
+    "no.arktekk.sbt" % "aether-deploy" % "0.25.0"
   ).map(
     sbtPluginExtra(_, sbtV, scalaV)
   )

project/build.properties

@@ -1 +1 @@
-sbt.version=1.3.0
+sbt.version=1.3.13

project/plugins.sbt

@@ -1,7 +1,7 @@
 resolvers += "TNM" at "https://nexus.thenewmotion.com/content/groups/public"
 
-addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.11")
-addSbtPlugin("no.arktekk.sbt" % "aether-deploy" % "0.21")
+addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.13")
+addSbtPlugin("no.arktekk.sbt" % "aether-deploy" % "0.25.0")
 
 // Use itself as a plugin
 unmanagedSourceDirectories in Compile += baseDirectory.value.getParentFile