Add updates from nf-core#872

Author: georgiesamaha

conf/nci_gadi.config

@@ -22,8 +22,8 @@ executor {
 // Define process resource limits
 process {
     executor = 'pbspro'
-    project = System.getenv("PROJECT")
-    storage = 'scratch/params.project'
+    project = "${params.project}"
+    storage = "${params.storage}"
     module = 'singularity'
     cache = 'lenient'
     stageInMode = 'symlink'