Add talk on code review pratices

As discussed with Luca Milanesio this is a talk proposal centered on code
review practices for the Sweden event.

Change-Id: I7adb8ddd3d538243daab336819be9a5c21cc99e7
diff --git a/schedule-europe.md b/schedule-europe.md
index d5cefa6..1bf168d 100644
--- a/schedule-europe.md
+++ b/schedule-europe.md
@@ -38,7 +38,7 @@
 | Time  | Session                                                                                      |
 |-------|----------------------------------------------------------------------------------------------|
 |  9:00 | Breakfast, Networking                                                                        |
-| 10:00 | Gerrit Review Analytics applied to the Android OpenSource Project                            |
+| 10:00 | [Code review at Tuleap: lessons from the trenches](sessions/code-review-lessons-xp.md)       |
 | 11:00 | [Community Retrospective - Part 1](sessions/community-retrospective.md)                      |
 | 11:45 | Break                                                                                        |
 | 12:00 | [Community Retrospective - Part 2](sessions/community-retrospective.md)                      |
diff --git a/sessions/code-review-lessons-xp.md b/sessions/code-review-lessons-xp.md
new file mode 100644
index 0000000..917cec5
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@@ -0,0 +1,10 @@
+# Code review: lessons from the trenches
+
+Code review is a difficult craft to master, and contrary to what one might
+think, it does not magically become easier with time. This talk is a state
+of the lessons learned by practicing code reviews on the Tuleap project.
+
+How to do it? What should be reviewed? Who reviews the code? How to make a
+constructive review? are among the questions addressed in this talk.
+
+*[Thomas Gerbet, Enalean](../speakers.md#tgerbet) (Summit in Europe)*
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diff --git a/speakers.md b/speakers.md
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--- a/speakers.md
+++ b/speakers.md
@@ -66,3 +66,12 @@
 expert. Besides sharing Softagram's simplified approach to code review at
 the Gerrit User Summit in Sweden, Michael is looking forward to participating
 as an attendee and continuing to build on his Gerrit Code Review knowledge.
+
+
+### Thomas Gerbet - Enalean {#tgerbet}
+
+Thomas is a software developer who has at heart to make application
+security easier to get right for everyone.
+Since 2015, he is one of the maintainers of the open-source ALM software
+[Tuleap](https://www.tuleap.org/) which gives him the chance to work daily
+with Gerrit.
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