Update docker-library images

- `docker`: 17.04.0-ce-rc1
- `percona`: `5.5.54-rel38.7-1.jessie`
- `python`: 3.6.1
- `rocket.chat`: 0.54.0
- `ruby`: 2.4.1

library/docker

@@ -4,6 +4,18 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/docker.git
 
+Tags: 17.04.0-ce-rc1, 17.04.0-ce, 17.04.0, 17.04-rc, rc
+GitCommit: e9c09260bfaea5199c6c053a83fc46564aa14990
+Directory: 17.04-rc
+
+Tags: 17.04.0-ce-rc1-dind, 17.04.0-ce-dind, 17.04.0-dind, 17.04-rc-dind, rc-dind
+GitCommit: e9c09260bfaea5199c6c053a83fc46564aa14990
+Directory: 17.04-rc/dind
+
+Tags: 17.04.0-ce-rc1-git, 17.04.0-ce-git, 17.04.0-git, 17.04-rc-git, rc-git
+GitCommit: e9c09260bfaea5199c6c053a83fc46564aa14990
+Directory: 17.04-rc/git
+
 Tags: 17.03.0-ce, 17.03.0, 17.03, 17, latest
 GitCommit: bf822e2b9b4f755156b825444562c9865f22557f
 Directory: 17.03

library/percona

@@ -13,5 +13,5 @@ GitCommit: ab9ff984082a30195b16bb4d5f635ba1b248fecb
 Directory: 5.6
 
 Tags: 5.5.54, 5.5
-GitCommit: 81d02d5be012ceecaf7994fc457c6dbb0fbf347f
+GitCommit: e75f7e598d0b12bfa7cee85496f5311f00ecc46f
 Directory: 5.5

library/python

@@ -90,23 +90,23 @@ GitCommit: 9f67896dbaf1b86f2446b0ab981aa20f4d336132
 Directory: 3.5/windows/windowsservercore
 Constraints: windowsservercore
 
-Tags: 3.6.0, 3.6, 3, latest
-GitCommit: 7eca63adca38729424a9bab957f006f5caad870f
+Tags: 3.6.1, 3.6, 3, latest
+GitCommit: 32e920eb13714a9aeff2e016fb467901222d17b5
 Directory: 3.6
 
-Tags: 3.6.0-slim, 3.6-slim, 3-slim, slim
-GitCommit: 7eca63adca38729424a9bab957f006f5caad870f
+Tags: 3.6.1-slim, 3.6-slim, 3-slim, slim
+GitCommit: 32e920eb13714a9aeff2e016fb467901222d17b5
 Directory: 3.6/slim
 
-Tags: 3.6.0-alpine, 3.6-alpine, 3-alpine, alpine
-GitCommit: ad4706ad7d23ef13472d2ee340aa43f3b9573e3d
+Tags: 3.6.1-alpine, 3.6-alpine, 3-alpine, alpine
+GitCommit: 32e920eb13714a9aeff2e016fb467901222d17b5
 Directory: 3.6/alpine
 
-Tags: 3.6.0-onbuild, 3.6-onbuild, 3-onbuild, onbuild
+Tags: 3.6.1-onbuild, 3.6-onbuild, 3-onbuild, onbuild
 GitCommit: 7eca63adca38729424a9bab957f006f5caad870f
 Directory: 3.6/onbuild
 
-Tags: 3.6.0-windowsservercore, 3.6-windowsservercore, 3-windowsservercore, windowsservercore
-GitCommit: 7eca63adca38729424a9bab957f006f5caad870f
+Tags: 3.6.1-windowsservercore, 3.6-windowsservercore, 3-windowsservercore, windowsservercore
+GitCommit: 32e920eb13714a9aeff2e016fb467901222d17b5
 Directory: 3.6/windows/windowsservercore
 Constraints: windowsservercore

library/rocket.chat

@@ -1,5 +1,5 @@
 Maintainers: Rocket.Chat Image Team <[email protected]> (@RocketChat)
 GitRepo: https://github.com/RocketChat/Docker.Official.Image.git
 
-Tags: 0.53.0, 0.53, 0, latest
-GitCommit: ee23a70e201c55e56121b165d48de3d7c3493665
+Tags: 0.54.0, 0.54, 0, latest
+GitCommit: 9af840f1f089223168ac7983ddf736ae487cecc8

library/ruby

@@ -52,18 +52,18 @@ Tags: 2.3.3-onbuild, 2.3-onbuild
 GitCommit: 1b08f346713a1293c2a9238e470e086126e2e28f
 Directory: 2.3/onbuild
 
-Tags: 2.4.0, 2.4, 2, latest
-GitCommit: 5a967fab59319d95fd80e3956d1eeb54a66f9d77
+Tags: 2.4.1, 2.4, 2, latest
+GitCommit: e98bec810e6f1bd88ad0106f2e3b3f3291f5f5bb
 Directory: 2.4
 
-Tags: 2.4.0-slim, 2.4-slim, 2-slim, slim
-GitCommit: 5a967fab59319d95fd80e3956d1eeb54a66f9d77
+Tags: 2.4.1-slim, 2.4-slim, 2-slim, slim
+GitCommit: e98bec810e6f1bd88ad0106f2e3b3f3291f5f5bb
 Directory: 2.4/slim
 
-Tags: 2.4.0-alpine, 2.4-alpine, 2-alpine, alpine
-GitCommit: 5a967fab59319d95fd80e3956d1eeb54a66f9d77
+Tags: 2.4.1-alpine, 2.4-alpine, 2-alpine, alpine
+GitCommit: e98bec810e6f1bd88ad0106f2e3b3f3291f5f5bb
 Directory: 2.4/alpine
 
-Tags: 2.4.0-onbuild, 2.4-onbuild, 2-onbuild, onbuild
+Tags: 2.4.1-onbuild, 2.4-onbuild, 2-onbuild, onbuild
 GitCommit: 752c5f7cf44870ceae77134b346d20093053c370
 Directory: 2.4/onbuild