stop plugins that return no data posting back {}
add initial test code for google disk meta data
fix layout of meta
Update checks.py

ensure meta isn't added unless populated
just return device and not each partition as well
Merge branch 'disk-meta-data' of github.com:serverdensity/sd-agent into disk-meta-data
cope with possible missing glob
Merge pull request #70 from serverdensity/disk-meta-data

Disk meta data
Updated agent's version string
Merge pull request #71 from serverdensity/release-1.13.3.1

Updated agent's version string
Initialize secondsBehindMaster to prevent crash

The if mysql_norepl is used, this variable won't be set.
Merge pull request #72 from ByteInternet/crash-on-mysql_norepl

Initialize secondsBehindMaster to prevent crash
Added support for SSL MongoDB

New config options mongodb_keyfile and mongodb_certfile
Merge pull request #74 from serverdensity/mongo-ssl

Added support for SSL MongoDB
Moved logger calls inside the try/except so it's only executed if the plugin run works. (Thanks to Marc Guyer for pointing us what caused the problem)
Merge pull request #76 from serverdensity/fix-catching-plugin-exceptions

Moved logger calls inside the try/except so it's only executed if the pl...
Changed tabs with 4 spaces indentation to be consistent with PEP-8 and our code. Removed trailing white spaces
Improved the indentation of the changes done
Fixed broken indentation
Changed boxedice with serverdensity