Bump SBT to 1.2.0, bump some plugins to their latest versions, remove developer links (community effort).

Author: analytically

README.md

@@ -17,7 +17,7 @@ if (logger.isDebugEnabled) logger.debug(s"Some $expensive message!")
 ## Prerequisites ##
 
 * Java 6 or higher
-* Scala 2.11 or 2.12
+* Scala 2.11, 2.12 or 2.13
 * Logging backend compatible with SLF4J
 
 A compatible logging backend is [Logback](http://logback.qos.ch), add it to your sbt build definition:
@@ -195,26 +195,6 @@ def foo(arg: String)(implicit line: sourcecode.Line, file: sourcecode.File) = {
 foo("hello") // the implicit sourcecode.File is filled in automatically
 ```
 
-## Debugging Scala in IntelliJ
-
-Check out [scala-trace-debug](https://github.com/JohnReedLOL/scala-trace-debug) to make multithreaded bug tracing and
-prevention easier than ever. Provides user-friendly prints, traces, assertions,
-container printing, and source code printing.
-
-## Logstash
-
-Check out [logstash-logback-encoder](https://github.com/logstash/logstash-logback-encoder) if you're using [Logstash](https://www.elastic.co/products/logstash).
-Provides logback encoders, layouts, and appenders to log in JSON format.
-
-## Other noteworthy tooling
-
- - https://github.com/godaddy/godaddy-logger
-
-## Maintainer ##
-
-The original author [Heiko Seeberger](https://twitter.com/hseeberger) stepped down Q1 2015, starting a new adventure at codecentric. Future maintenance is taken
-over by [Mathias Bogaert](http://twitter.com/analytically).
-
 ## Contribution policy ##
 
 Contributions via GitHub pull requests are gladly accepted from their original author. Before we can accept pull requests, you will need to agree to the [Typesafe Contributor License Agreement](http://www.typesafe.com/contribute/cla) online, using your GitHub account.

build.sbt

@@ -43,19 +43,4 @@ pomIncludeRepository := (_ => false)
 
 scmInfo := Some(
   ScmInfo(url("https://github.com/lightbend/scala-logging"), "scm:git:git@github.com:lightbend/scala-logging.git")
-)
-
-developers := List(
-  Developer(
-    id = "hseeberger",
-    name = "Heiko Seeberger",
-    email = "",
-    url = url("http://heikoseeberger.de")
-  ),
-  Developer(
-    id = "analytically",
-    name = "Mathias Bogaert",
-    email = "",
-    url = url("http://twitter.com/analytically")
-  )
 )

project/build.properties

@@ -1 +1 @@
-sbt.version=1.1.6
+sbt.version=1.2.0

project/plugins.sbt

@@ -1,11 +1,11 @@
 resolvers += Resolver.typesafeRepo("releases")
 
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.1")
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.2")
 
 addSbtPlugin("org.scalariform" % "sbt-scalariform" % "1.8.2")
 
-addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.8")
+addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.9")
 
-addSbtPlugin("com.typesafe.sbt" % "sbt-osgi" % "0.9.3")
+addSbtPlugin("com.typesafe.sbt" % "sbt-osgi" % "0.9.4")
 
 addSbtPlugin("com.scalapenos" % "sbt-prompt" % "1.0.2")