[$150] Updated UI: Popups

[atelomycterus]

@jmgasper The popup window in MarvelApp:
Screen https://marvelapp.com/prototype/c06bg41/screen/77911788

The current design:

[jmgasper]

Challenge https://www.topcoder.com/challenges/06cb08ac-24da-4060-94cd-f3645850ec58 has been created for this ticket.

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[jmgasper]

Challenge https://www.topcoder.com/challenges/06cb08ac-24da-4060-94cd-f3645850ec58 has been assigned to obog.

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[atelomycterus]

@jmgasper At least 7 popups should be fixed. Each popup is a separate view with a different title and message.

1. Should I update only UI ?
2. Does this requirement include updating titles/messages? For example, the Delete Discussion title should be changed to Delete ( Add a new Category => Add, Invite User => Invite).
   For example, the Are you sure you want to delete this discussion? message should be changed to Are you sure you want to delete this item?

Discussion page

• Announce

• Move a discussion

• Delete a discussion
  

Group page

• Add New Category

• Delete a group

• Invite member
  

Profile page

[jmgasper]

@atelomycterus - I bumped the payment here. Yeah, let's try to get as close to the MarvelApp as possible, thanks!

[atelomycterus]

@jmgasper Please apply PRs:

• Issues-559: Fixed styles for a popup forums-theme#42
• Issues-559: fixed popups forums-groups-plugin#82
• Issues-559: Fixed popups #583
  Thanks!

Testing

Please clear browser cache before testing,
I've fixed all mentioned popups. Let me know if I missed any popups.
Delete popup looks the same for group / discussion/ token.

Other popups: