Add Kopano Meet and depending instrastructure to meet

Makefile adjustments
reorder Makefile
adds image for kwmserver
adds image for meet
add Meet to compose
clean up proxy configuration
move kcconf.py into the base image

meet/Dockerfile

@@ -0,0 +1,43 @@
+ARG docker_repo=zokradonh
+FROM ${docker_repo}/kopano_base
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+ARG ADDITIONAL_KOPANO_PACKAGES=""
+ARG DOWNLOAD_COMMUNITY_PACKAGES=1
+ARG KOPANO_MEET_REPOSITORY_URL="file:/kopano/repo/meet"
+ARG KOPANO_MEET_VERSION=newest
+ARG KOPANO_REPOSITORY_FLAGS="trusted=yes"
+ARG RELEASE_KEY_DOWNLOAD=0
+
+# install Kopano Core and refresh ca-certificates
+RUN \
+    # community download and package as apt source repository
+    . /kopano/helper/create-kopano-repo.sh && \
+    if [ ${DOWNLOAD_COMMUNITY_PACKAGES} -eq 1 ]; then \
+        dl_and_package_community "meet"; \
+    fi; \
+    echo "deb [${KOPANO_REPOSITORY_FLAGS}] ${KOPANO_MEET_REPOSITORY_URL} ./" > /etc/apt/sources.list.d/kopano.list; \
+    # save kopano version
+    echo "meet-${KOPANO_MEET_VERSION}" > /kopano/buildversion; \
+    # install apt key if supported kopano
+    if [ ${RELEASE_KEY_DOWNLOAD} -eq 1 ]; then \
+        curl -s -S -o - "${KOPANO_MEET_REPOSITORY_URL}/Release.key" | apt-key add -; \
+    fi; \
+    # install
+    apt-get update && \
+    set -x && \
+    apt-get install --no-install-recommends -y \
+        kopano-kwebd \
+	kopano-meet kopano-meet-webapp \
+        ${ADDITIONAL_KOPANO_PACKAGES} \
+        && \
+    set +x && \
+    rm -rf /var/cache/apt /var/lib/apt/lists
+
+ENV KOPANO_LOCALE="de_DE.UTF-8"
+ENV KOPANO_USERSCRIPT_LOCALE="de_DE.UTF-8"
+ENV LANG=en_US.UTF-8
+
+COPY defaultconfigs/ start-service.sh /kopano/
+CMD [ "/kopano/start-service.sh" ]