passenger 4.0.41
passenger: update 4.0.41 bottle.

Closes #28257.

Signed-off-by: Brett Koonce <koonce@gmail.com>
mongodb 2.6.0

rework boost option, strip old patches, simplify mavericks custom args
mongodb: update 2.6.0 bottle.

Closes #28250.

Signed-off-by: Brett Koonce <koonce@gmail.com>
Rework make_relative_symlink error handling and move it into keg
Raise useful errors from make_relative_symlink
Only unlink after a LinkError
Raise AlreadyLinkedError when a keg is already linked
Adjust link command for updated error handling
Adjust installer for updated link error handling