plugins/*.c: Alterations for timeout messages.

.c file changes for misleading timeout messages in help functions. Solution to pull request #1209 tracker by awiddersheim.

Files: plugins/check_apt.c, plugins/check_by_ssh.c, plugins/check_dbi.c, plugins/check_dig.c, plugins/check_disk.c, plugins/check_dns.c, plugins/check_game.c, plugins/check_http.c, plugins/check_ldap.c, plugins/check_ntp.c, plugins/check_ntp_peer.c, plugins/check_ntp_time.c, plugins/check_nwstat.c, plugins/check_overcr.c, plugins/check_pgsql.c, plugins/check_ping.c, plugins/check_procs.c, plugins/check_radius.c, plugins/check_real.c, plugins/check_smtp.c, plugins/check_snmp.c, plugins/check_ssh.c, plugins/check_tcp.c, plugins/check_time.c, plugins/check_ups.c, plugins/negate.c
plugins/utils.h: Addition of plugin timeout msg.

Addition of timeout message for non-network plugins(UT_PLUG_TIMEOUT), and alteration of UT_TIMEOUT to UT_CONN_TIMEOUT for networked checks. Alteration of pull request #1209 tracker by user awiddersheim.
plugins/*.c: Non-network timeout changes

Changes to non-network checks for clarity on timeout value. Adapted from pull request #1209 tracker from user awiddersheim. (Closes: #1209)
Files: check_apt.c, check_disk.c, check_procs.c, negate.c