removing error statement when extproc worker hits end-of-file, as this is (pretty much) always a result of the server process shutting down due to an unrelated error, and this statement just confuses operators
init.d tweaks.
Merge branch 'next' into grey_issue_166
Merge branch 'next' of github.com:rethinkdb/rethinkdb into next
Merge branch 'next' into sam_nofsck
Merge branch 'next' into sam_47