Merge pull request #4445 from ros-infrastructure/bump_gazebo_7_8_9

[gazebo] version bump for gazebo 7, 8 and 9

library/gazebo

@@ -60,12 +60,12 @@ Directory: gazebo/6/ubuntu/trusty/libgazebo6
 
 Tags: gzserver7, gzserver7-xenial
 Architectures: amd64
-GitCommit: 25f1424dda9c444d55beee151db41c6b642422da
+GitCommit: 7d509226281b3aeaddca3f917e1622b17100a837
 Directory: gazebo/7/ubuntu/xenial/gzserver7
 
 Tags: libgazebo7, libgazebo7-xenial
 Architectures: amd64
-GitCommit: 25f1424dda9c444d55beee151db41c6b642422da
+GitCommit: 7d509226281b3aeaddca3f917e1622b17100a837
 Directory: gazebo/7/ubuntu/xenial/libgazebo7
 
 
@@ -77,12 +77,12 @@ Directory: gazebo/7/ubuntu/xenial/libgazebo7
 
 Tags: gzserver8, gzserver8-xenial
 Architectures: amd64
-GitCommit: 10b7350d07c1d8fa6c7838a5fc16c08678f91385
+GitCommit: 9bc89cc4888a0c1ad967554a3754f8c84f925d3d
 Directory: gazebo/8/ubuntu/xenial/gzserver8
 
 Tags: libgazebo8, libgazebo8-xenial
 Architectures: amd64
-GitCommit: 10b7350d07c1d8fa6c7838a5fc16c08678f91385
+GitCommit: 9bc89cc4888a0c1ad967554a3754f8c84f925d3d
 Directory: gazebo/8/ubuntu/xenial/libgazebo8
 
 
@@ -94,10 +94,10 @@ Directory: gazebo/8/ubuntu/xenial/libgazebo8
 
 Tags: gzserver9, gzserver9-xenial
 Architectures: amd64
-GitCommit: c999c2fdda76a419f7374231cfbd41d30dc823e6
+GitCommit: 12f5819139c90d3f9709ad2bddfd75235a840153
 Directory: gazebo/9/ubuntu/xenial/gzserver9
 
 Tags: libgazebo9, libgazebo9-xenial, latest
 Architectures: amd64
-GitCommit: c999c2fdda76a419f7374231cfbd41d30dc823e6
+GitCommit: 12f5819139c90d3f9709ad2bddfd75235a840153
 Directory: gazebo/9/ubuntu/xenial/libgazebo9