chore(release): bump version to 0.8.0

also removes Gopkg references in base.Dockerfile

Author: ecordell

OLM_VERSION

@@ -1 +1 @@
-0.7.4
+0.8.0

base.Dockerfile

@@ -7,8 +7,6 @@ ARG sshkey
 RUN mkdir -p ~/.ssh
 RUN apt-get install make git openssh-client gcc g++
 
-COPY Gopkg.toml Gopkg.lock Makefile ./
-
 RUN echo $sshkey | base64 -d > ~/.ssh/id_rsa  \
     && chmod 400 ~/.ssh/id_rsa \
     && ssh-keyscan -t rsa github.com >> ~/.ssh/known_hosts \