update changelog for 1.1.10 release

git-svn-id: https://svn.mcs.anl.gov/repos/darshan/trunk@178 3b7491f3-a168-0410-bf4b-c445ed680a29

ChangeLog

@@ -2,6 +2,11 @@
 Darshan Release Change Log
 --------------------------
 
+darshan-1.1.10
+==============
+* Bug fix for files that are accessed with stat() but never opened
+* Workaround zlib problems with 64 bit offsets on 32 bit architectures
+
 darshan-1.1.9
 =============
 * Added "fast" version of each BG/P compiler