Update git submodules

* Update plugins/download-commands from branch 'master'
  to ce8f07234c96e563cfc60aae33b64e2148e0e192
  - Merge branch 'stable-2.15'
    
    * stable-2.15:
      Make .git/hooks directory
    
    Change-Id: If06a1256d97e8989373074b1821b4207a3325d54
    
  - Merge branch 'stable-2.14' into stable-2.15
    
    * stable-2.14:
      Make .git/hooks directory
    
    Change-Id: I6eb852fe39819d324b768b8c13c026760871263e
    
  - Make .git/hooks directory
    
    Change-Id: I2b13edbc2a57ca0659f93fbdae9e054e4785ae6d
    
diff --git a/plugins/download-commands b/plugins/download-commands
index edd7156..ce8f072 160000
--- a/plugins/download-commands
+++ b/plugins/download-commands
@@ -1 +1 @@
-Subproject commit edd715618415d9a5e03b4555d9a2d3cca8fff6e8
+Subproject commit ce8f07234c96e563cfc60aae33b64e2148e0e192