cmu-sphixbase: libsndfile is linked if found

Closes #28139.
Migrate readall
readall: fix permissions
elasticsearch: requires Java 7

Closes #29910.
lilypond: caveats about updating MacTeX

Closes #29784
libpng 1.6.12
libpng: update 1.6.12 bottle.
libwpg 0.3.0

Closes #30163.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
libwpg: add 0.3.0 bottle.
libwps 0.3.0

Closes #30164.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
libwps: add 0.3.0 bottle.
libwpg: run test program in addition to compiling it
libwps: run test program in addition to compiling it
dpkg 1.17.10

Closes #30173.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>