Bump version to 1.5.1

Author: dregad

Source/MantisSourceBase.class.php

@@ -17,9 +17,9 @@ abstract class MantisSourceBase extends MantisPlugin
 	 *
 	 * Numbering follows Semantic Versioning. Major version increments indicate
 	 * a change in the minimum required MantisBT version: 0=1.2; 1=1.3, 2=2.x.
-	 * The framework version is incremented when the plugin's core file change.
+	 * The framework version is incremented when the plugin's core files change.
 	 */
-	const FRAMEWORK_VERSION = '1.5.0';
+	const FRAMEWORK_VERSION = '1.5.1';
 
 	/**
 	 * Minimum required MantisBT version.