Implemented current style guide for backends (i.e., config.py and explicit logging)

improve logging, fix for erlexec's required env HOME, use pfexec to run tests as noaccess:noaccess if env var USE_RCTL is set; if env var USE_RCTL is set, let Solaris guard resources (cpu time, mem) instead of the timer with a fixed period in user space

execute /usr/bin/newtask aka invoked copiler/interpreter with uid=noaccess and gid=noaccess

- add env var USE_RCTL to get tests running on Solaris machines, which have not defined the appropriate projects (i.e. uses newtask if set only) - startup/env_iws.tcsh - no need to adjust backends/**/*.sh anymore

fix logging system add resource ctrl to scripts

- incompatible changes: - backendctl::_startBackend() now requires backendHost as param as well - new features: - additional command line options to be able to set parameters for each spooler/backend individually - overwrite default settings in config.py - separate logfile per backend - Solaris Service Fault Management (SMF) support - see startup/ - misc fixes: - try to set euid only, if started with UID == 0 aka root - config.py: don't duplicate messages to event.log, i.e. fH disabled

Changes from before the disk crash.