Put back jre in all dockerfiles

for_build/barrnap_only/Dockerfile

@@ -12,6 +12,7 @@ RUN apt-get install -y \
         libxml-simple-perl \
         libdigest-md5-perl \
         git \
+        default-jre \
         bioperl
 
 # Update pip

for_build/basics/Dockerfile

@@ -12,6 +12,7 @@ RUN apt-get install -y \
         libdigest-md5-perl \
         git \
         python3-pip \
+        default-jre \
         bioperl
 
 # Update pip

for_build/prokka_only/Dockerfile

@@ -19,6 +19,7 @@ RUN apt-get install -y\
         libxml-simple-perl \
         libdigest-md5-perl \
         git \
+        default-jre \
         bioperl
 RUN git clone https://github.com/tseemann/prokka.git
 RUN /tmp/prokka/bin/prokka --setupdb