Merge branch 'master' into queue

Author: balhoff

README.md

@@ -1,5 +1,3 @@
-[![Build Status](https://travis-ci.com/balhoff/relation-graph.svg?branch=master)](https://travis-ci.com/balhoff/relation-graph)
-
 # relation-graph
 
 Materialize OWL existential relations
@@ -17,3 +15,9 @@ alternatively, the `owl` mode will output RDF, but as a valid OWL structure. The
 http://purl.obolibrary.org/obo/BFO_0000050
 http://purl.obolibrary.org/obo/BFO_0000051
 ```
+**Note:** Before running, you may need to increase the amount of memory available for Java. On UNIX style systems, this is done by setting the `JAVA_OPTS` environment variable. For example, to set the amount of memory to `16G`, you would use this command: `export JAVA_OPTS=-Xmx16G`.
+
+## Build
+Install `sbt` (Scala Build Tool) on your system. For Mac OS X, it is easily done using [Homebrew](http://brew.sh):  `brew install sbt`. `sbt` requires a working Java installation, but you do not need to otherwise install Scala.
+
+After `sbt` is installed, run `sbt stage` to create the executable. The executable is created in your `target/universal/stage/bin` directory.

build.sbt

@@ -8,7 +8,7 @@ version := "1.1"
 
 licenses := Seq("MIT license" -> url("https://opensource.org/licenses/MIT"))
 
-scalaVersion := "2.13.5"
+scalaVersion := "2.13.6"
 
 scalacOptions := Seq("-unchecked", "-deprecation", "-encoding", "utf8")
 
@@ -25,7 +25,7 @@ libraryDependencies ++= {
     "dev.zio"                    %% "zio-interop-monix" % "3.2.2.0-RC2",
     "io.monix"                   %% "monix"             % "3.2.2",
     "org.geneontology"           %% "whelk-owlapi"      % "1.1",
-    "com.outr"                   %% "scribe-slf4j"      % "2.7.13",
+    "com.outr"                   %% "scribe-slf4j"      % "3.5.5",
     "com.github.alexarchambault" %% "case-app"          % "2.0.6",
     "org.apache.jena"             % "apache-jena-libs"  % "3.17.0" exclude ("org.slf4j", "slf4j-log4j12"),
     "dev.zio"                    %% "zio-test"          % zioVersion % Test,

project/build.properties

@@ -1 +1 @@
-sbt.version=1.5.0
+sbt.version=1.5.2