Add local configs

workflow/conf/biohpc_local.config

+process {
+  executor = 'local'
+}
+
+singularity {
+  enabled = true
+  cacheDir = '/project/BICF/BICF_Core/shared/gudmap/singularity_cache/'
+}
+
+env {
+  http_proxy = 'http://proxy.swmed.edu:3128'
+  https_proxy = 'http://proxy.swmed.edu:3128'
+  all_proxy = 'http://proxy.swmed.edu:3128'
+}

workflow/conf/dnanexus.config

 params {
-  refSource = "prod"
+  refSource = "datahub"
 }
 
 process {

workflow/conf/local.config

+process {
+  executor = 'local'
+}
+
+docker {
+  enabled = true
+}