Merge branch 'master' into workflow-overviews

Author: MarkRobbo

src/main/resources/messages.properties

@@ -4,6 +4,7 @@ path.emptyOrWhitespace = You must provide a path to the workflow within the repo
 
 git.retrievalError = The workflow could not be retrieved from the Git repository using the details given
 git.pathTraversal = The path given did not resolve to a location within the repository
+git.sshError = SSH URLs are not supported, please provide a HTTPS URL for the repository or submodules
 
 url.parsingError = An unexpected error occurred when parsing the workflow
 url.noWorkflowsInDirectory = No workflow files were found in the given directory

src/main/resources/templates/about.html

@@ -187,6 +187,11 @@ <h2>Research Objects</h2>
                 (<a href="https://github.com/common-workflow-language/cwlviewer/issues/103">see Github issue</a>)</p>
             <p>We recommend that you keep all files in the containing folder for current use of CWL Viewer</p>
 
+            <h2>SSH Cloning</h2>
+            <p>SSH URLs are not able to be cloned or used as submodules due to the need for SSH keys to be set up.</p>
+            <p>We do not plan SSH support due to the impact on reproducibility from this being made a required
+            step to download the workflow.</p>
+
             <h2>Others</h2>
             <p>Other limitations or unimplemented features can be viewed
                 <a href="https://github.com/common-workflow-language/cwlviewer">on the Github issues page</a></p>