Merge the following revisions from 3_9_BRANCH to trunk:

r13682  Initial cut at 3.9.0 release notes.
r13683  Remove duplicate NEWS entries for 3.9.0.
r13689  Minor docs/NEWS fixes
r13690  Documentation updates for 3.9.0.
r13691  More documentation updates, re leak-checker changes
r13692  NEWS: Note increased max mem size.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13724 a5019735-40e9-0310-863c-91ae7b9d1cf9

Author: sewardj

AUTHORS

@@ -74,7 +74,10 @@ port.
 Dragos Tatulea modified the arm-android port so it also works on
 x86-android.
 
-Jakub Jelinek helped out with the AVX support.
+Jakub Jelinek helped out extensively with the AVX and AVX2 support.
+
+Mark Wielaard fixed a bunch of bugs and acts as our Fedora/RHEL
+liaison.
 
 Maran Pakkirisamy implemented support for decimal floating point on
 s390.