Add a picture in Tripal home page

Fix http://gitlab.sb-roscoff.fr/abims/e-infra/gga_load_data/issues/3

run_workflow_development

constants.py

@@ -7,6 +7,7 @@ ORG_PARAM_DESC_SEX = "sex"
 ORG_PARAM_DESC_STRAIN = "strain"
 ORG_PARAM_DESC_COMMON_NAME = "common_name"
 ORG_PARAM_DESC_ORIGIN = "origin"
+ORG_PARAM_DESC_PICTURE_PATH = "tripal_species_picture"
 ORG_PARAM_DESC_MAIN_SPECIES = "main_species"
 ORG_PARAM_DATA = "data"
 ORG_PARAM_DATA_GENOME_PATH = "genome_path"
@@ -23,6 +24,7 @@ ORG_PARAM_DATA_PERFORMED_BY = "performed_by"
 ORG_PARAM_SERVICES = "services"
 ORG_PARAM_SERVICES_BLAST = "blast"
 
+
 # Constants used in the config yaml file
 CONF_ALL_HOSTNAME = "hostname"
 CONF_ALL_HTTP_PORT = "http_port"