remove surplus locale definition from images building upon base (#165)

* remove surplus locale configuration (should only be in base image)
update konnect
add version to ldap and ldap_demo images
* also create a tag for the ldap images
* add ldap version to compose file

php/Dockerfile

@@ -43,12 +43,8 @@ RUN \
         ${ADDITIONAL_KOPANO_PACKAGES} \
     && rm -rf /var/cache/apt /var/lib/apt/lists
 
-# configure basics
-RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
-    sed -i -e 's/# de_DE.UTF-8 UTF-8/de_DE.UTF-8 UTF-8/' /etc/locale.gen && \
-    dpkg-reconfigure --frontend=noninteractive locales && \
-    update-locale LANG=en_US.UTF-8 && \
-    # configure php-fpm
+# configure php-fpm
+RUN \
     mkdir -p /run/php && chown www-data:www-data /run/php && \
     crudini --set /etc/php/7.0/fpm/php.ini PHP upload_max_filesize 500M && \
     crudini --set /etc/php/7.0/fpm/php.ini PHP post_max_size 500M && \