Add a checksum file check.
extend http check with a --response-code check, to be able to check for specific response codes
Merge branch 'master' into review_140108_add_a_response_code_option_to_the_http_check

Conflicts:
	plugins/http/check-http.rb
Tweak suggested line breaks
Didn't mean to include that file on this branch.
Support wildcards and globs in graphite targets. Check if any of the
values are above/below thresholds.
Fix cpu checks for older Linux kernels

Older Linux kernels don't have the "guest" field in /proc/stat.  While
check-cpu.rb claimed to accommodate that, it didn't actually work all
the way through.  Fix that, and also fix cpu-pcnt-usage-metrics.rb,
which didn't know about this at all.
whitespace fix
Created check-service

Took the check-process script and added /svc to the task search.
This seemed like the easiest way to get searching working.

Tested and works as expected.
Add DHCP server check.
travis offence: remove blank line
Merge pull request #426 from mrichar1/dhcp

Add DHCP server check.
Merge pull request #423 from petere/cpu-without-guest

Fix cpu checks for older Linux kernels
Added some clarifications

Removed the debugging puts, and changed the name of the file
Merge pull request #411 from digitaltom/review_140108_add_a_response_code_option_to_the_http_check

extend http check with a --response-code check, to be able to check for specific response codes
Merge pull request #425 from jjasghar/windows_service_check

Created service-windows check
Merge pull request #401 from icebourg/check-checksums

Add a checksum file check.
Adding rspec tests.
Added erlang_stats for remote erlang node metrics gathering
Proper script naming