Update release notes

CONTRIBUTING.md

@@ -110,11 +110,6 @@ executing: ../../test/myocyte/run0.cmd...      PASSED!
 executing: ../../test/nn/run0.cmd...      PASSED!
 --TESTING: nw
 executing: ../../test/nw/run0.cmd...      PASSED!
---TESTING: particlefilter
-executing: ../../test/particlefilter/run0.cmd...    *** Error in `./particlefilter_naive': free(): invalid next size (fast): 0x0000000001ad89d0 ***
-  FAILED!
-executing: ../../test/particlefilter/run1.cmd...    *** Error in `./particlefilter_float': free(): invalid next size (fast): 0x0000000001a7e890 ***
-  FAILED!
 --TESTING: pathfinder
 executing: ../../test/pathfinder/run0.cmd...      PASSED!
 --TESTING: srad

RELEASE.md

@@ -6,10 +6,31 @@ We have attempted to document known bugs and limitations - in particular the [HI
 - Async memory copies.
 - hipStream support.
 - Multi-GPU
-- Shared-scope atomic operations. (due to compiler limitation, shared-scope map atomics map to global scope)
+- Shared-scope atomic operations. (due to compiler limitation, shared-scope map atomics map to global)
 - Tuning built-in functions, including shfl.
 - Performance optimization.
 
 
 Stay tuned - the work for many of these features is already in-flight.
 
+
+## Revision History:
+
+===================================================================================================
+Release:0.80.01.00 
+Date: 2016.02.18
+- Improve reporting and support for device-side math functions.
+- Update Runtime Documentation.
+- Improve implementations of cross-lane operations (_ballot, _any, _all).
+- Provide shuffle intrinsics (performance optimization in-progress).
+- Support hipDeviceAttribute for querying "one-shot" device attributes, as an alternative to hipDeviceGetProperties.
+- 
+
+===================================================================================================
+Release:0.80.00.00 :
+Date: 2016.01.25
+
+Initial release with GPUOpen Launch.
+
+
+