Added support for password-protected and encrypted rar archives, as w…

…ell as tests for each; initial support ported from java-unrar, then extended and fixed

bin/services/org.apache.tika.parser.Parser

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+de.innosystec.unrar.tika.RARParser

src/Main.java

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+import java.io.File;
+import java.io.IOException;
+
+import de.innosystec.unrar.Archive;
+import de.innosystec.unrar.exception.RarException;
+
+
+public class Main {
+
+	public static void main(String[] args){
+		testArchive("test1.rar");
+	}
+
+	private static void testArchive(String location){
+		Archive archive;
+		try {
+			archive = new Archive(new File(location), "test");
+			System.out.println(location);
+			System.out.println(archive.isEncrypted() ? "encrypted" : "not encrypted");
+			System.out.println(archive.isPasswordProtected() ? "password protected" : "unprotected");
+
+			System.out.println("");
+			archive.close();
+		} catch (RarException | IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+}