pom.xml: updated fest-assert to 2.0M8

@see https://github.com/alexruiz/fest-assert-2.x/blob/master/release-notes.txt

No functional changes.

Author: php-coder

pom.xml

@@ -36,7 +36,7 @@
 		<testng.version>6.7</testng.version>
 		<junit.version>4.10</junit.version>
 		<mockito.version>1.9.0</mockito.version>
-		<fest.assert.version>2.0M7</fest.assert.version>
+		<fest.assert.version>2.0M8</fest.assert.version>
 		<powermock.version>1.4.12</powermock.version>
 		<aspectj.version>1.7.0</aspectj.version>