[racket-dev] Quick feedback on first planet2 experience

- It's not clear what the red asterisk means here:
   https://plt-etc.byu.edu:9004/search
   (Sam tells me it means "recently updated".)

- There's a typo ("User-spcific") in the output of raco pkg show.

- The "details" link on the package upload page is broken:
 
http://pre.racket-lang.org/docs/html/planet2/Planet_2_Concepts.html#(tech._package._source)

- Searching for "planet2" should also return a link to the top of
   "Package Management in Racket".

- Does the documentation contain a link to:
   https://plt-etc.byu.edu:9004/search
   (I missed it if it does.)

- "dependencies on thar packages" in Package Metadata docs.

- "This categories will" in Future Plans docs.

David