v3.2.0

Changes:

• Drop support for Pivotal Tracker (see #201)
• Add support for Jira backlog & board view (see #198)
• Fix alignment of option checkbox in Firefox
• Fix subjectline for Trello UUIDs
• Improve handling of adapter errors (see #156)
• Allow to copy default values in option settings
• Enhance and auto-format commit messages according to Tpope's recommendations