[emacs] update 2 drones

lib/helm                 master                    v2.9.7-37-gd7106595
lib/markdown-mode        master                    v2.3-191-gb274cb9

diff --git a/lib/helm b/lib/helm
index f9baa2a..d710659 160000 (submodule)
--- a/lib/helm
+++ b/lib/helm
@@ -1 +1 @@
-Subproject commit f9baa2a96873b2078d15ed665c474a17f7241045
+Subproject commit d71065950e9beb71bf9103f2740d1b908db2e3be

diff --git a/lib/markdown-mode b/lib/markdown-mode
index e45b35b..b274cb9 160000 (submodule)
--- a/lib/markdown-mode
+++ b/lib/markdown-mode
@@ -1 +1 @@
-Subproject commit e45b35b220d9505c138ec692d623a133aeb524d5
+Subproject commit b274cb9c062f4ba1f630d44c0394e47a2dd2519b