Merge pull request #46 from agoddard/master

fix bug in slave status check
[handlers] [irc] add nickserv identify support
Merge pull request #47 from fujin/feature/nickserv-password-identify-support

NickServ identify support for IRC handler
File mtime check plugin
File tail check plugin
Graphite data check plugin
Adds "redirectok" (-r) option to check-http.rb.  When check-http.rb
is called with -r, HTTP status 3** will result in an OK check status.
Fixing indentation (replacing tabs with two spaces)
Merge pull request #49 from bethanybenzur/master

Sending change to check-http.rb
Support for remote SMTP connection.
Cleared up documentation.
Cleared up documentation.
params for smtp_* must not be forgotten.
Merge pull request #50 from pkhamre/master

Support for remote SMTP connections
Syntax error, forgot a few commas.
Merge pull request #51 from pkhamre/master

Forgot commas
class name conflict with librato-metrics plugin
Merge pull request #52 from mvam75/master

Class name change for librato-occurrences.rb
Added a notification handler for pushover.net
add talkerapp handler