Made launcher scripts on OSX find java the recommended way

skel_unix/modman-cli.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Get the absolute path to this script's folder.
 if echo "$0" | awk '{exit(!/^\//);}'; then
@@ -8,4 +8,13 @@ else
 fi
 
 cd "${maindir}";
-java -jar modman.jar "$@";
+
+java_cmd=$(command -v java);
+
+# OSX uses a command to decide java's location.
+if [ -x "/usr/libexec/java_home" ]; then
+  export JAVA_HOME=`/usr/libexec/java_home`
+  java_cmd=${JAVA_HOME}/bin/java
+fi
+
+${java_cmd} -jar modman.jar "$@";