perlmagick: fix to install to any $(brew --prefix)

not just /usr/local

removing unnecessary ENV appends

only one additional change to Makefile.PL from original formula to
install to non /usr/local
perlmagick: update 6.88 bottle.

Closes #28787.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
gwyddion: add python support

Add optional dependencies for Python support. Includes a patch that fixes
lazy loading Gwyddion libraries from the stand-alone gwy module.

Closes #28706.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
libdnet: add 1.12 bottle.
taglib: add 1.9.1 bottle.
libdvdread: add 4.2.0 bottle.
libdvdcss: add 1.2.13 bottle.
libmpdclient: add 2.9 bottle.
libgsf: add 1.14.30 bottle.
libupnp: add 1.6.19 bottle.
libnfc: add 1.7.0 bottle.
libwpd: add 0.9.9 bottle.
libexif: add 0.6.21 bottle.
new formula: xplanetfx 2.5.26

xplanetFX is a program that manipulates Xplanet renderings with lighting effects using ImageMagick.

run gdk-pixbuf cache update in post install with conditional
xplanetfx 2.5.26 update
adding PATH to wrapper script
and fixing dependency options
xplanetfx: add 2.5.26 bottle.

Closes #28785.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>