[twgit] Init hotfix 'hotfix-1.3.1'.
Add CSS padding into email templates.
Add better escaping of error and warning message in emails.
Add -r option to Bash read command: backslash does not act as an escape
character.
Escape backslashes on stdout.
Add protection against whitespace in customized named parameters.
Update footer in templates.
Update CHANGELOG.md
Merge branch 'hotfix-1.3.1' into stable