Update Snakefile for new release

Author: boulund

workflow/Snakefile

@@ -22,7 +22,7 @@ from scripts.common import UserMessages, SampleSheet
 user_messages = UserMessages()
 
 stag_version = "0.6.0"
-singularity_branch_tag = "-develop"  # Replace with "-master" before publishing new version
+singularity_branch_tag = "-master"  # Replace with "-master" before publishing new version
 
 configfile: "config/config.yaml"
 report: "report/workflow.rst"