Cleanup paths in pdns-recursor.init.d

prefix was unused, the others had a trailing slash, leading to process
command lines like "/usr/sbin//pdns_recursor".
Add exit codes to pdns-recursor init script

Fixes #676.
add constraints for name to pg schema
Remove duplicate argument
Merge pull request #942 from rubenk/disable-axfr

Remove duplicate argument
add responsestats infra, not actually reporting yet
fix make check
deduplicate UDP answer counting
count UDP answer bytes sent
fix offbyone
implement pdns_control qtypes
merge ahu's work
Merge branch 'respstats'
clarify boost::format string (even though boost does not care)
Typo fix
Merge pull request #943 from justinclift/master

Typo fix
ignore bulktest stuff
Fix typo
pdns_ilexicographical_compare() and dns_iequals() optimization
s/ahuexception/pdnsexception part 2