Merge branch 'releases/v0.5.7' into 'master'

[SKIP CI] Replace latest with tag v0.5.7

See merge request !13

steps/computemd5.cwl

@@ -22,4 +22,4 @@ requirements:
   - class: InlineJavascriptRequirement
 hints:
   - class: DockerRequirement
-    dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.1-dev2
\ No newline at end of file
+    dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.7
\ No newline at end of file

steps/double_tgz_elimination.cwl

@@ -47,6 +47,6 @@ baseCommand:
 
 hints:
   - class: DockerRequirement
-    dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.1-dev2
+    dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.7
 requirements:
   - class: InlineJavascriptRequirement
\ No newline at end of file

steps/extract_metadata.cwl

@@ -32,4 +32,4 @@ requirements:
   - class: InlineJavascriptRequirement
 hints:
   - class: DockerRequirement
-    dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.1-dev2
+    dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.7

steps/join_contents.cwl

@@ -68,4 +68,4 @@ baseCommand:
 
 hints:
 - class: DockerRequirement
-  dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.1-dev2
+  dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.7

steps/requantize.cwl

@@ -58,4 +58,4 @@ baseCommand:
 
 hints:
 - class: DockerRequirement
-  dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.1-dev2
+  dockerPull: git.astron.nl:5000/ldv/bf_double_tgz:v0.5.7