* source stats reporter... should be used by well-behaved sources
* public fields
* moving serialization/deserialization of metrics and logging maps to pkg
* nits
* adding UT
* same order
* updates
* sock-puppet
* unregistration problem?
* removing base64 encoding
* removing TODO
* removing config changes... done in another PR
* to properly address the comment
* changing importer to source
* moving stats_reporter to new source folder
Ignacio Cano