update versions

Signed-off-by: Jess Frazelle <acidburn@google.com>
diff --git a/atom/Dockerfile b/atom/Dockerfile
index e0a24b6..6077745 100644
--- a/atom/Dockerfile
+++ b/atom/Dockerfile
@@ -42,7 +42,7 @@
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
-ENV ATOM_VERSION 1.19.1
+ENV ATOM_VERSION 1.19.2
 
 # download the source
 RUN buildDeps=' \
diff --git a/cpuminer/Dockerfile b/cpuminer/Dockerfile
deleted file mode 100644
index 7f34f4d..0000000
--- a/cpuminer/Dockerfile
+++ /dev/null
@@ -1,28 +0,0 @@
-FROM alpine:latest
-LABEL maintainer "Jessie Frazelle <jess@linux.com>"
-
-RUN apk add --no-cache \
-	ca-certificates \
-	curl \
-	libressl
-
-ENV CPUMINER_VERSION v2.5.0
-RUN set -x \
-	&& apk add --no-cache --virtual .build-deps \
-		autoconf \
-		automake \
-		build-base \
-		curl-dev \
-		git \
-	&& git clone --depth 1 --branch "${CPUMINER_VERSION}" https://github.com/pooler/cpuminer.git /usr/src/cpuminer \
-	&& ( \
-	cd /usr/src/cpuminer \
-	&& ./autogen.sh \
-	&& ./configure CFLAGS="-O3" \
-	&& make \
-	&& make install \
-	) \
-	&& rm -rf /usr/src/cpuminer \
-	&& apk del .build-deps
-
-ENTRYPOINT [ "minerd" ]
diff --git a/plexpy/Dockerfile b/plexpy/Dockerfile
index 90de269..c1d12ee 100644
--- a/plexpy/Dockerfile
+++ b/plexpy/Dockerfile
@@ -14,7 +14,7 @@
 	python
 
 # Get the source
-ENV PLEXPY_VERSION v1.4.21
+ENV PLEXPY_VERSION v1.4.22
 RUN git clone https://github.com/drzoidberg33/plexpy.git /opt/plexpy \
 	&& ( \
 		cd /opt/plexpy \
diff --git a/vault/Dockerfile b/vault/Dockerfile
index 82983ff..746ab52 100644
--- a/vault/Dockerfile
+++ b/vault/Dockerfile
@@ -7,7 +7,7 @@
 RUN	apk --no-cache add \
 	ca-certificates
 
-ENV VAULT_VERSION v0.8.0-rc1
+ENV VAULT_VERSION v0.8.1
 
 RUN buildDeps=' \
 		bash \