Checkpoint of TRN-368.
Added fetcher tests to TRN-368.
Added datastore tests to TRN-368.
TRN-368 Implementation complete including tests.
Merge branch 'master' into TRN-368
Modified configuration to support TRN-125.
TRN-125 Checkpoint.
First time tests passed for TRN-125.
Removed some debug logging statments in TRN-125.
TRN-125 passes all tests, ready to be PRed ...
Merge pull request #116 from iParadigms/TRN-368

Trn 368
Fixed several typos (threashold -> threshold) in TRN-125.
Removed outdated comment from TRN-125.
Merge pull request #118 from iParadigms/TRN-125

Trn 125
Merge branch 'master' into TRN-402

Conflicts:
	config.go
	walker.yaml