Added support for Terminal.up(), down(), left(), right() for the terminal.

src/main/java/net/rubygrapefruit/platform/Process.java

@@ -1,8 +1,15 @@
-package net.rubygrapefruit.platform;
-
-/**
- * Functions to query and modify a process' meta-data
- */
-public interface Process extends NativeIntegration {
-    int getProcessId() throws NativeException;
-}
+package net.rubygrapefruit.platform;
+
+/**
+ * Functions to query and modify a process' meta-data
+ *
+ * Supported on Linux, OS X, Windows.
+ */
+public interface Process extends NativeIntegration {
+    /**
+     * Returns the process identifier.
+     *
+     * @throws NativeException On failure.
+     */
+    int getProcessId() throws NativeException;
+}