UT 0.21.0

- added support for new Intel descriptor type, based on
[this](http://review.coreboot.org/gitweb?p=coreboot.git;a=commit;h=1f7fd720c81755144423f2d4062c39cc651adc0a)
coreboot commit, thanks to lordkag for issue #32
- solved a bug with incorrect volume free space item placement during
volume replace, now works as expected
- solved an issue with incorrect Aptio capsule parsing introduced in
0.20.8

types.h

@@ -69,7 +69,8 @@ namespace Subtypes {
         GbeRegion,
         MeRegion,
         BiosRegion,
-        PdrRegion
+        PdrRegion,
+        EcRegion
     };
 
     enum PaddingSubtypes {