git: openjdk/skara: Add topological merge bot

[duke]

Changeset: 8501faf5
Author:    Jorn Vernee <jvernee at openjdk.org>
Date:      2019-08-30 11:57:48 +0000
URL:       https://github.com/openjdk/skara/commit/8501faf5

Add topological merge bot

Reviewed-by: mcimadamore, ehelin

+ bots/topological/build.gradle
+ bots/topological/src/main/java/module-info.java
+ bots/topological/src/main/java/org/openjdk/skara/bots/topological/Edge.java
+ bots/topological/src/main/java/org/openjdk/skara/bots/topological/TopologicalBot.java
+ bots/topological/src/main/java/org/openjdk/skara/bots/topological/TopologicalBotFactory.java
+ bots/topological/src/main/java/org/openjdk/skara/bots/topological/TopologicalSort.java
+ bots/topological/src/test/java/org/openjdk/skara/bots/topological/TopologicalBotTests.java
+ bots/topological/src/test/java/org/openjdk/skara/bots/topological/TopologicalSortTest.java
! settings.gradle
! vcs/src/main/java/org/openjdk/skara/vcs/Repository.java
! vcs/src/main/java/org/openjdk/skara/vcs/git/GitRepository.java
! vcs/src/main/java/org/openjdk/skara/vcs/hg/HgRepository.java
! vcs/src/test/java/org/openjdk/skara/vcs/RepositoryTests.java