Signup update

[jurajhilje]

[jurajhilje]

@gorkapernas New error messages deployed on staging, instead generic error messages:

• Create alias with inactive subscription: Your subscription is not active. Please renew to create new aliases.
• Create recipient with inactive subscription: Your subscription is not active. Please renew to create new recipients.
• Update recipient with inactive subscription: Your subscription is not active. Please renew to update recipients.

[gorkapernas]

Verified on staging, tested all scenarios and the errors were updated accordingly.
This is good to go.