v4.0.5
build-sys: add 'units.h' to the local/Makefile.am file
watch: Orderly recovery from cmd taking longer than -n [BUG]; code cleanup
library: Add capability naming
build-sys: Move git-version-gen
build-sys: Relocate lib/
signals: Updated signal list and defines, introduced RTMAX, fixed strtosig()
watch: -e passes command's exit code on to environment
misc: eliminated some instances of trailing whitespace
testsuite: Test the library escape routines
Move scale_size away from free to use in other programs
str*dup()->xstr*dup() where needed; library: openproc(): avoid closedir(NULL)