Upgraded net/samba to 4.18.0
Discarded doinst.sh from extra/{mpv,v4l-utils} and gtk/{gcr,goffice,gsettings-desktop-schemas}
Discarded gtk/gtk-sharp
Repositioned nand-utils source extraction code inside a subshell in extra/mtd-utils
Discarded code to remove tests in gtk/{atkmm,cairomm,libsoup}
Disabled tests in build option of gtk/{gdk-pixbuf,gtk3,libdazzle}
Fixed mkdir code in gtk/{gegl,gnome-desktop,gobject-introspection,libdazzle,libglade,libmanette} for aiding in resuming build
Rewrote gtk/gnome-icon-theme pc file in the build file itself
Fixed gtk/gtk2's doinst.sh
Disabled static libraries compile in gtk/openjpeg
Updated buildlist of net
Fixed net/privoxy build file
Improved code to install dump1090 binary in net/dump1090 and hostname symlinks in net/hostname
Removed code that manually discards static archives in net/php
Miscellaneous SHA512 checksum updates and minor fixes in several net pkg build files
* Added more stuff in TODO
* Rearranged code that sources bldpkg.conf a few lines up
* Renamed function debugmode to tracemode
* Defined setbuildfile, autoextractmode, displaysummary and setcputhreads functions and added corresponding option letters to getopts
* Added explanation in the help function
* Added temporary commented code for detecting stripped binaries and libraries before they are actually stripped
* Discarded -exec rm -v since the find command already contains -delete
* Discarded --strip-unneeded option from strip command
* Miscellaneous fixes
