Aa-srp

Fixed

- IndexError on invalid kill mail link

Changed

- Forms now using form generation via django-bootstrap-form instead of own template
construct that was falling apart already

Fixed

- Permission decorators (22)

Changed

- Using regular expression to determine if we're looking at a kill mail link or not

Changed

- Required field hint in forms now has its own template since it is not needed in
every form to avoid confusion

Fixed

- Copy to clipboard should only be available for active SRP links

Fixed

- `exception=IndexError('list index out of range')` for Discord notifications on new
SRP request

Added

- Copy to clipboard for the SRP link in SRP dashboard view
- Copy to clipboard for pilot name in SRP link view

Changed

- Notification functions moved to its own module to avoid code duplications