Fixed double symlink creation for solr which breaks phenotips

Updated readme

README.md

 # Phenotips Docker Image
 > Contains CHGI ldap bindings in the example config directory.
 
+
+
+## Docker-compose
+To integrate with the gene42 docker-compose.yml file, modify to match:
+```
+  staging_phenotips:
+    container_name: staging_phenotips
+    image: docker.ucalgary.ca/lleung/chgi-phenotips:1.4.7
+    restart: always
+    networks:
+      - staging_web
+      - staging_backend
+    expose:
+      - 8080
+    volumes:
+      - staging_phenotips_local-storage_persistent:/var/lib/phenotips
+      - /local/lib/docker/volumes/staging_phenotips_config/_data/conf/WEB-INF/:/config
+      - staging_phenotips_logs_persistent:/var/local/tomcat/logs
+    cap_drop:
+      - SYS_ADMIN
+    environment:
+    - JAVA_HEAP=3096m
+    - JAVA_OPTS=
+```

rootfs/entrypoint.sh

@@ -35,7 +35,7 @@ setup_solr() {
     fi
 
     mkdir -p /usr/local/tomcat/work/Catalina/localhost/ROOT/
-    ln -s $solr_dir /usr/local/tomcat/work/Catalina/localhost/ROOT/solr
+    ln -s $solr_dir /usr/local/tomcat/work/Catalina/localhost/ROOT/
 }
 
 echo "Starting Phenotips"