Add test for inreplace sub!/gsub!
Add test for inreplace sub!/gsub! with hash argument
Revert "Add test for inreplace sub!/gsub! with hash argument"

Ruby 1.8 doesn't support this, so we don't officially support it (yet).

This reverts commit 7d5eb6f5e2da42c1378fefb63fde55cae97a3909.
Drop executable bits from imported commands

Closes #32743.
mpd 0.18.16

Since 0.18.14, the following things have changed:
- fix a DSD breakage due to a typo in 0.18.15
- fix issue with large command lists
- fix of an old breakage of the MixRamp feature
mpd: update 0.18.16 bottle.