-> Moved CC, CXX and CPU architecture-related variables near extractprompt
-> Removed explanation describing how $PATH should be like if distcc or ccache is used
-> Renamed ccachesympath to ccachesymdirpath
-> Redefined pkgdest path as the older one affected placement of package installers
if packages were built by section build files
-> rqfiles array is now defined in bldpkg.conf
-> Replaced basename and dirname with bash's built-in pattern matching
-> Added code to prompt for resuming an existing build in the presence of .$app.extraction.complete
-> Fixed some comments relating to $resumepkgbuild
Changes to bldpkg.conf:
-> Updated pkg names in tmpfsexceptionlist and packagesrequiringswap array
-> Added validatecompilers, compilerverbosity and autoresumepkgbuild variables
