MB-20619: Update jemalloc to 4.1.1-couchbase 1

Need to update jemalloc to a version which includes the fix for
jemalloc/jemalloc#420

Change-Id: Ia4f2612c22adbfd9bd7d999926004ea57bf00a2d
Reviewed-on: http://review.couchbase.org/66933
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: buildbot <build@couchbase.com>
Well-Formed: buildbot <build@couchbase.com>

deps/packages/CMakeLists.txt

@@ -141,7 +141,7 @@ _ADD_DEP_PACKAGE(python-snappy c97d633 c97d633 1)
 _ADD_DEP_PACKAGE(icu4c 54.1 r54.1 7)
 _ADD_DEP_PACKAGE(libevent 2.0.22 release-2.0.22-stable 2)
 _ADD_DEP_PACKAGE(v8 5.2 5.2-couchbase 1)
-_ADD_DEP_PACKAGE(jemalloc 4.0.4 4.0.4 2)
+_ADD_DEP_PACKAGE(jemalloc 4.1.1-couchbase 4.1.1-couchbase 1)
 _ADD_DEP_PACKAGE(curl 7.49.1 curl-7_49_1 1)
 
 # erlang R16B03-couchbase / branch: couchbase-watson