Updated the doc for 0.2.2 version.

Changelog.txt

@@ -1,4 +1,16 @@
 OpenBLAS ChangeLog
+====================================================================
+Version 0.2.2
+6-July-2012
+common:
+	* Fixed exporting DLL functions bug on Windows/MingW
+	* Support GNU Hurd (Thank Sylvestre Ledru)
+	* Support kfreebsd kernel (Thank Sylvestre Ledru)
+x86/x86-64:
+	* Support Intel Sandy Bridge 22nm desktop/mobile CPU
+SPARC:
+	* Improve the detection of SPARC (Thank Sylvestre Ledru)
+
 ====================================================================
 Version 0.2.1
 30-Jun-2012

Makefile.rule

@@ -3,7 +3,7 @@
 #
 
 # This library's version
-VERSION = 0.2.1
+VERSION = 0.2.2
 
 # If you set the suffix, the library name will be libopenblas_$(LIBNAMESUFFIX).a
 # and libopenblas_$(LIBNAMESUFFIX).so. Meanwhile, the soname in shared library