Update according to review comments #397

- Added descriptions
- Added junit tests
- Added javadoc
- Added index.md
- Added class diagrams

semaphore/pom.xml

@@ -2,7 +2,7 @@
 <!--
 
     The MIT License
-    Copyright (c) 2014 Ilkka Sepp<70>l<EFBFBD>
+    Copyright (c) 2014 Ilkka Sepp<70>l<EFBFBD>
 
     Permission is hereby granted, free of charge, to any person obtaining a copy
     of this software and associated documentation files (the "Software"), to deal
@@ -32,4 +32,11 @@
     <version>1.11.0-SNAPSHOT</version>
   </parent>
   <artifactId>semaphore</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>