Updated git submodules

Updated git submodules

Project: releng/builder master e37e75ec6759746119c04393671b757f027772f0

Merge "Purge un-needed references to lithium stream"

Purge un-needed references to lithium stream

+ Mostly removed comment lines from {project}.yaml (and similar) files.
+ Releng template comments updated to mention boron and carbon.
+ Removed if from autorelease distribution version detection script.
+ Added FIXMEs to references in neutron project files.
+ Updated comment on Bgpcep *-all features.
- Remaining references are for Openflowplugin Lithium redesign, relevant even for Carbon.

Change-Id: Ifb82e3ef9c3e248c7d2a9964d69333c3dd8f94c7
Signed-off-by: Vratko Polak <vrpolak@cisco.com>