Review current features and address technical debt on them.

[amyburness]

@tinashechiraya Please add a list of the issues addressed in this ticket.

• create ticket page is crashing
• social logins not working
• update all email templates to reflect logo #263
• the search on the support page needs to be implemented
• opening a specific user in the admin crashes the page
• invite to organisation (should show a user a message that they already requested to join organisation, )
• fix email template for join organisation
• view map button on home page does not navigate to the map
• add menu option to navigate to django admin if user has access
• add pagination component to organisations page

[tinashechiraya]

if a user chooses to join another organisation via request ,if they already have another invitation for a different organisation it fails to send. it should also allow the user to join other organisations

this will be addresses in separate ticket as it is too big a task
#223