Updated the CHANGELOG for 0.17.0.

From: Jie Yu <yujie.jay@gmail.com>
Review: https://reviews.apache.org/r/17474
diff --git a/CHANGELOG b/CHANGELOG
index 905c489..e75a341 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,61 @@
+Release Notes - Mesos - Version 0.17.0
+--------------------------------------
+* The primary feature of this release is to add recovery support for
+  replicated log to make it more resilient to disk failures.
+ * If less than quorum of disks fail, the replicated log will
+   automatically perform catch-up to recover lost data.
+
+** Sub-task
+    * [MESOS-902] - add post to libprocess
+
+** Bug
+    * [MESOS-280] - ExecutorDriver methods' javadocs should not be
+    * refering to SchedulerDriver methods
+    * [MESOS-533] - SlaveRecoveryTest/0.CleanupExecutor is flaky on
+    * Jenkins.
+    * [MESOS-789] - Make link to times in the webui clickable
+    * [MESOS-799] - Mesos python egg is faulty on OS X Mavericks
+    * [MESOS-831] - script-without-shebang
+    * [MESOS-861] - FaultToleranceTest.FrameworkReliableRegistration
+    * could hang
+    * [MESOS-875] - A recovering slave should not ignore valid status
+    * updates.
+    * [MESOS-877] - Future::then and Promise::associate have memory
+    * leaks.
+    * [MESOS-897] - Cleanup of stout headers from fedora review
+    * [MESOS-913] - Help endpoint does not work on slaves.
+    * [MESOS-916] - add .gitignore-template file for ./bootstrap
+    * generated files
+    * [MESOS-925] - remove --without-curl from libprocess
+    * [MESOS-941] - Memory limit not correctly set when no memory
+    * resource set on executor level
+    * [MESOS-951] - Build failure: in log/catchup.cpp on Clang
+
+** Documentation
+    * [MESOS-929] - Aurora not added to the framework docs
+
+** Improvement
+    * [MESOS-749] - Add support for multiple offers in launchTasks
+    * [MESOS-772] - expose count of running tasks
+    * [MESOS-827] - Create LOOP_FOR(duration) macro to guard testing
+    * loop from running indefinitely
+    * [MESOS-860] - Get mesos' libprocess dependency glog to compile
+    * with clang and libc++
+    * [MESOS-863] - Get mesos' libprocess dependency protobuf to
+    * compile with clang and libc++
+    * [MESOS-864] - Eliminate the use of internal stdlibc++ templates
+    * for achieving libc++ compatiblity
+    * [MESOS-896] - Enable newer versions of http_parser.
+
+** New Feature
+    * [MESOS-736] - Support catch-up replicated log
+
+** Task
+    * [MESOS-323] - Get mesos compiling with clang to open up path
+    * forward to c++11
+    * [MESOS-519] - Deprecate and remove old monitoring endpoint.
+
+
 Release Notes - Mesos - Version 0.16.0
 --------------------------------------
 * The primary feature of this release is major refactoring work on the