Add more test volumes

Added test volumes created with encfs 1.7.4:

* Default settings
* No uniqueIV (no per-file IV header)

test/encfs_samples/testvol-default/.encfs6.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<!DOCTYPE boost_serialization>
+<boost_serialization signature="serialization::archive" version="9">
+<cfg class_id="0" tracking_level="0" version="20">
+	<version>20100713</version>
+	<creator>EncFS 1.7.4</creator>
+	<cipherAlg class_id="1" tracking_level="0" version="0">
+		<name>ssl/aes</name>
+		<major>3</major>
+		<minor>0</minor>
+	</cipherAlg>
+	<nameAlg>
+		<name>nameio/block</name>
+		<major>3</major>
+		<minor>0</minor>
+	</nameAlg>
+	<keySize>192</keySize>
+	<blockSize>1024</blockSize>
+	<uniqueIV>1</uniqueIV>
+	<chainedNameIV>1</chainedNameIV>
+	<externalIVChaining>0</externalIVChaining>
+	<blockMACBytes>0</blockMACBytes>
+	<blockMACRandBytes>0</blockMACRandBytes>
+	<allowHoles>1</allowHoles>
+	<encodedKeySize>44</encodedKeySize>
+	<encodedKeyData>
+36hc1JmVocyDYLcIXLcJSVjC5MQ8Ys6mOH5DE2yEIlaHkbp6FaiuLC8rKL4=
+	</encodedKeyData>
+	<saltLen>20</saltLen>
+	<saltData>
+Li8XSCZeqCgJZPqnP0Ko2/99gQk=
+	</saltData>
+	<kdfIterations>253807</kdfIterations>
+	<desiredKDFDuration>500</desiredKDFDuration>
+</cfg>
+</boost_serialization>
+

test/encfs_samples/testvol-default/ko1GW2gcuNSbGWQryepRJpSC

@@ -0,0 +1 @@
+לְת^Tםש¿<D7A9>ֶ–<03>¦צuֻּֽ.²_-¿<>!¸ג