Adjusted Dockerfile to pull docker image from fkiecad DockerHub account.

Dockerfile

-FROM tbarabosch/cwe_checker_travis_docker_image:latest
+FROM fkiecad/cwe_checker_travis_docker_image:latest
 
 COPY . /home/bap/cwe_checker/
 
 RUN sudo chown -R bap:bap /home/bap/cwe_checker \
     && cd /home/bap/cwe_checker/src \
     && bapbuild -r -Is checkers,utils -pkgs yojson,unix cwe_checker.plugin \
-    && bapbundle install cwe_checker.plugin 
+    && bapbundle install cwe_checker.plugin
 
 WORKDIR /home/bap/cwe_checker/src