Added dockerfile and requirements.txt.

Author: dannyhp1

executor/Dockerfile

@@ -0,0 +1,9 @@
+FROM ubuntu:16.04
+
+MAINTAINER dannyhp1
+
+RUN apt-get update
+RUN apt-get install -y gcc
+RUN apt-get install -y g++
+RUN apt-get install -y python
+RUN apt-get install -y openjdk-8-jdk

executor/requirements.txt

@@ -0,0 +1,2 @@
+Flask
+docker