add prodigal to docker image for tests

for_tests/Dockerfile

@@ -41,6 +41,14 @@ RUN wget https://github.com/tseemann/barrnap/archive/0.8.tar.gz &&\
     # Remove heavy useless files
     rm -r /tmp/barrnap-0.8/examples /tmp/barrnap-0.8/build/*.aln
 
+# Install prodigal
+WORKDIR /tmp
+RUN wget https://github.com/hyattpd/Prodigal/archive/v2.6.3.tar.gz &&\
+    tar -xzf v2.6.3.tar.gz &&\
+    rm v2.6.3.tar.gz
+WORKDIR /tmp/Prodigal-2.6.3
+RUN make &&\
+    make install
 
 # Install prokka:
 WORKDIR /tmp