fix some const/non-const warnings
install/distribute init script
Merge branch 'devel-autotools' of github.com:hholzgra/MaxScale into devel-autotools

Conflicts:
	log_manager/log_manager.cc
ignore "make dist" generated src tarballs
added etc/init.d/ Makefile
ignore "make distcheck" generated directories, too
mysql.m4 unification merge