Cleanup Look & Feel for Customer Portal, Task Board, and Navigation

[ChrispinP]

Cleanup the design for CMU to prepare for launch/UAT

• [ ] Customer Portal
• [ ] Task Board
• [ ] Big Buttons
• [ ] Back Links
• [ ] Back Buttons
• [ ] Page/Nav Menus
• [ ] Case Details views (CSWZ & TCP)
• [ ] Task Board Details views

[ChrispinP]

Removed Action buttons from TCP Details