Bump version to 0.6.0

CHANGES

+## 0.6.0
+
+ * Tests are in place and fully functional
+ * Hide errors by default in HTML output
+ * Warn if routes.rb cannot be found
+ * Narrow methods assumed to be file access
+ * Increase confidence for methods known to not escape output
+ * Fixes to output processing for Erubis
+ * Fixes for Rails 3 XSS checks
+ * Fixes to line numbers with Erubis
+ * Fixes to escaped output scanning
+ * Change Version to Brakeman::Version
+ * Update CSRF CVE-2011-0447 message to be less assertive
+
 ## 0.5.2
 
  * Output report file name when finished

lib/version.rb

-Version = "0.5.2"
+Version = "0.6.0"