Bump version to 2.7.0

Author: dregad

Source/MantisSourceBase.class.php

@@ -19,7 +19,7 @@ abstract class MantisSourceBase extends MantisPlugin
  * 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 files change.
  */
-constFRAMEWORK_VERSION = '2.6.0';
+constFRAMEWORK_VERSION = '2.7.0';
 
 /**
  * Minimum required MantisBT version.