HelloSign for Salesforce 3.05

Added support for Salesforce Lightning Experience
Added support for Essentials Edition
Added support for Professional Edition
Added HelloSign Welcome Tab to access Administration guides, provide navigation to connect OAuth, Contact Sales (Professional, Enterprise, Unlimited editions) or Buy a plan (Essentials Edition)
Added ability to include a System User to send for signature
Added ability to include a System Contact to send for signature
Added ability to include a Related User to send for signature
Added Ability to include an Opportunity Contact to send for signature when sending from an Opportunity
Added ability to configure a System User on a HelloSign template
Added ability to configure a System Contact on a HelloSign template
Added ability to configure a Related User on a HelloSign template
Added ability to configure an Opportunity Contact on a HelloSign template for the opportunity