added ability to check regex against http headers.  booyah!
Fix the "check_http -d" tests
NEWS: Mention the new "check_http -d" option

Closes #7.
check_mysql: when checking slave thread add performance data for seconds behind master
check_mysql: add perfromance metrics for all checks
Counter increments were incorrect; remove the leading space from perfdata
check_mysql: Connections should have been defined as a counter
NEWS: Mention the check_mysql changes

Closes #14.
Add -Le option to snmpcmd to avoid error message of 'No Log Handling Enabled...'
check_snmp: Allocate space for the new -Le option

Closes #41.
check_http: s/--header_string/--header-string/

The name of the new option is "--header-string".
check_http: Use xasprintf instead of asprintf
added --offset option to allow adjustment of sensor data
NEWS: Mention the new "check_snmp --offset" option

... and apply two small cosmetic changes to check_snmp.c.

Closes #59.
Merge branch 'fping' of https://github.com/lairsdragon/nagios-plugins

* 'fping' of https://github.com/lairsdragon/nagios-plugins:
  check_fping error handling enhanced, generates UNKNOWN on fping parameter error (i.e. wrong interface, missing perms ..)

Closes #61.