Break overly long lines.

optional suffix such as "hours" appended.  Store them as a struct
timeval, not as an int, so that the bulk of the code doesn't have to
take the unit into account.  Use "struct timeval" instead of a number
of milliseconds or seconds in several places.  This fixes a number of
potential and actual overflows.  Added utility functions for struct
timeval.

(create_text_add_miscs): Ditto.
(do_create_text): Ditto.
(add_recipient): Ditto.
(add_comment): Ditto.
(add_footnote): Ditto.

(sync_part): Return a struct timeval instead of a long.  Use
	struct timeval instead of a time_t.  Use timeval_remaining()
	to simplify the code.
(init_cache): Use a struct timeval instead of time_t.
(cache_sync_all): Adjusted to new API of sync_part().

(login_old): Ditto.
(login): Ditto.
(get_static_session_info): Ditto.
(get_time): Ditto.
(logout): Ditto.  Use timeval_diff_sec instead of ldifftime.
(who_is_on_dynamic): Use timeval_diff_sec instead of ldifftime.
(get_session_info): Ditto.
(get_session_info_ident): Ditto.

	timeout", "Sync timeout", "Garb interval", "Sync interval" and
	"Sync retry interval" from int to timeval, and added
	appropriate default suffixes to those configuration
	parameters.

(main): Adjusted for the new type of current_time.

(do_add_member): Ditto.

(dump_statistics): Ditto.
(saver_callback): Ditto.
(setup_timer): Replaced the milliseconds argument with a struct
	timeval argument.
(garb_callback): Simplified the code.

(suffix_table): New table.
(assign_timeval): New assigner.

	struct timeval: garb_busy_postponement, garbtimeout,
	synctimeout, garb_interval, sync_interval and
	sync_retry_interval.

	fields from time_t to struct timeval.

(assign_timeval): New assigner.

(timeval_nonzero): New function.
(timeval_zero): Ditto.
(timeval_ctor): Ditto.
(timeval_remaining): Ditto.
(timeval_greater): Ditto.
(timeval_less): Ditto.
(timeval_diff_sec): Ditto.

	out-of-range.

Make gdb find the liboop sources.

valgrind suppressions.  Reduce the number of log messages.  Fixed
compilation errors.

	output" never to emit a pass message.  Look for eof on the client.

	already present on the kill list.  With the liboop callbacks
	that can happen and is not an error.
(write_err_cb): Don't log an error for ECONNRESET.
(read_from_connection): Removed left-over debug code.
(enable_idle_check): Ditto.
(check_idle_callback): Ditto.

(unreg): Ditto.

(sys_on_signal): Ditto.

	which were introduced in the previous commit.
(isc_gethostname): Ditto.
(isc_getportnum): Ditto.

scheduling of clients, so that one client cannot starve other clients
for resources.  (Bug 102).  Run the database save, garb, and check for
killed clients from three separate liboop timer callbacks.  Use liboop
for signal dispatching.  Use liboop.  (Bug 106).  Code cleanup.
Renamed a few constants that have nothing to do with ISC.  Make it
possible to read an unsigned int from the config file.  Add SA_RESTART
support to liboop.  (This has been sent to the liboop maintainer.)
(Fixes bug 845).  Add a few utility string functions.

stuff that isn't used by lyskom-server.  Move much internal stuff from
isc.h to intern.h.