clean up X11 conditionals
pstree: add note about versions
Move solfege to the boneyard.

Newer versions do not compile on OS X, and the project
does not seem to be actively maintained at the moment.

Closes #25065.
nagios 4.0.6

Closes #29198.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
nagios-plugins 2.0.1

Closes #29199.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
There isn't a /usr/local in the SDK