update versions

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>
diff --git a/atom/Dockerfile b/atom/Dockerfile
index c4ed95c..855be2e 100644
--- a/atom/Dockerfile
+++ b/atom/Dockerfile
@@ -43,7 +43,7 @@
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
-ENV ATOM_VERSION 1.26.0
+ENV ATOM_VERSION 1.26.1
 
 # download the source
 RUN buildDeps=' \
diff --git a/certbot/Dockerfile b/certbot/Dockerfile
index 114b0b9..5037426 100644
--- a/certbot/Dockerfile
+++ b/certbot/Dockerfile
@@ -27,7 +27,7 @@
 
 RUN pip install acme
 
-ENV CERTBOT_VERSION 0.23.0
+ENV CERTBOT_VERSION 0.24.0
 
 RUN buildDeps=' \
 		git \
diff --git a/crio/Dockerfile b/crio/Dockerfile
index dc1eb06..6212e99 100644
--- a/crio/Dockerfile
+++ b/crio/Dockerfile
@@ -26,7 +26,7 @@
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
-ENV CRIO_VERSION v1.9.11
+ENV CRIO_VERSION v1.9.12
 ENV GO_VERSION 1.9.4
 ENV PLUGINS_VERSION v0.7.1
 ENV RUNC_VERSION v0.1.1
diff --git a/gitiles/Dockerfile b/gitiles/Dockerfile
index 8e9bc7c..65aae8b 100644
--- a/gitiles/Dockerfile
+++ b/gitiles/Dockerfile
@@ -9,7 +9,7 @@
 	openjdk8
 
 # https://github.com/bazelbuild/bazel/releases
-ENV BAZEL_VERSION 0.12.0
+ENV BAZEL_VERSION 0.13.0
 # https://gerrit.googlesource.com/gitiles/
 ENV GITILES_VERSION v0.2-1
 
diff --git a/keepassxc/Dockerfile b/keepassxc/Dockerfile
index 2254c56..647859a 100644
--- a/keepassxc/Dockerfile
+++ b/keepassxc/Dockerfile
@@ -11,7 +11,7 @@
 FROM alpine:edge
 LABEL maintainer "Christian Koep <christiankoep@gmail.com>"
 
-ENV KEEPASSXC_VERSION 2.3.1
+ENV KEEPASSXC_VERSION 2.3.3
 
 RUN buildDeps=' \
                 automake \
diff --git a/plexpy/Dockerfile b/plexpy/Dockerfile
index e5e83d9..965f93a 100644
--- a/plexpy/Dockerfile
+++ b/plexpy/Dockerfile
@@ -14,7 +14,7 @@
 	python
 
 # Get the source
-ENV PLEXPY_VERSION v2.0.28
+ENV PLEXPY_VERSION v2.1.4
 RUN git clone https://github.com/Tautulli/Tautulli.git /opt/plexpy \
 	&& ( \
 		cd /opt/plexpy \
diff --git a/powershell/Dockerfile b/powershell/Dockerfile
index 6ecdbc8..85e0c4c 100644
--- a/powershell/Dockerfile
+++ b/powershell/Dockerfile
@@ -1,7 +1,7 @@
 FROM ubuntu:16.04
 LABEL maintainer "Christian Koep <christiankoep@gmail.com>"
 
-ENV POWERSHELL_VERSION 6.1.0-preview.1
+ENV POWERSHELL_VERSION 6.1.0-preview.2
 
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
diff --git a/vagrant/Dockerfile b/vagrant/Dockerfile
index ec46f4e..e1cfd0e 100644
--- a/vagrant/Dockerfile
+++ b/vagrant/Dockerfile
@@ -14,7 +14,7 @@
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
-ENV	VAGRANT_VERSION 2.0.4
+ENV	VAGRANT_VERSION 2.1.1
 
 # download the source
 RUN buildDeps=' \
diff --git a/znc/Dockerfile b/znc/Dockerfile
index 3ead81f..34cff99 100644
--- a/znc/Dockerfile
+++ b/znc/Dockerfile
@@ -22,7 +22,7 @@
 
 ENV LANG C.UTF-8
 
-ENV ZNC_VERSION 1.6.6
+ENV ZNC_VERSION 1.7.0
 
 RUN set -x \
 	&& apk add --no-cache --virtual .build-deps \
diff --git a/zookeeper/3.5/Dockerfile b/zookeeper/3.5/Dockerfile
index f599a3d..02f2c17 100644
--- a/zookeeper/3.5/Dockerfile
+++ b/zookeeper/3.5/Dockerfile
@@ -1,6 +1,6 @@
 FROM java:8-alpine
 
-ENV ZOOKEEPER_VERSION 3.5.3-beta
+ENV ZOOKEEPER_VERSION 3.5.4-rc0
 ENV PATH $PATH:/opt/zookeeper/bin/
 
 # the start files for zookeeper use bash