noiseVarianceHomogeneous -> errorVarianceHomogeneous + definition
errorVarianceHomogeneous definition: regarding -> reflecting
Merge pull request #192 from cmaumet/errorVarianceHomogeneous

Definition of "noiseVarianceHomogeneous" -> "errorVarianceHomogeneous"
new test: Check if document on Prov Store is up to date
Display which test is run
fix: Update example readmes
Update examples READMEs using UpdateExampleReadmes.py
Merge pull request #189 from cmaumet/checkREADMEs

New test: Check if documents on Prov Store are up to date