Built metrics plugin for Solr4.
Merge pull request #214 from Marketfish/solr4

Built metrics plugin for Solr4.
Adding build/lint status to readme.
Merge pull request #215 from nstielau/readme_build_status

Adding build/lint status to readme.
Changing readme to Markdown.
Merge pull request #216 from nstielau/readme_build_status2

Changing readme to Markdown.
Converting org-mode code markup to markdown.
Merge pull request #217 from nstielau/readme_markup_tweaks

Converting org-mode code markup to markdown.
SIP plugin fixes

 - Make plugin work on ruby 1.8.7
 - Remove response time output, Sensu already provides this
 - Fix option help text
 - Appease Rubocop
Merge pull request #218 from bashtoni/master

Fixes for SIP check plugin
Create checks for pingdom credits and aggregates.

For the bounty advertised in the
[mailing
list](https://groups.google.com/forum/?fromgroups#!topic/sensu-users/n8qT5zkK3t4),
based on
[these
requirements](https://gist.github.com/nstielau/766d50faad7629997751).
I got shot by rubocop!
Merge pull request #221 from webmat/pingdom_bounty

Create checks for pingdom credits and aggregates.
fix to nginx-metrics.rb to stop output of blank lines to metric handler
Merge pull request #224 from sethlindberg/metrics_shmetrics

fix to nginx-metrics.rb to stop output of blank lines to metric handler