Attributes: Support Bright/Bold, Dim, Underline, Blink, Reverse, Hidden, and Strike-through

[worksofliam]

Once #2797 is done, we'll be read to add these:

• Bright/Bold
• Dim
• Underline
• Blink
• Reverse
• Hidden,
• Strike-through

[BDisp]

Maybe related with #1275.

[tig]

Closing as dupe of

• Master Issue for Updating Color/Attribute System #457