Delete unused views. Views are stored as fields of corresponding doc models in models.py.
Delete filtered replication example

See http://wiki.apache.org/couchdb/Replication#Filtered_Replication for
adequate explanation of filtered replication
Merge branch 'feature/cleanup' into develop
Add couchdb view for search
Search entities by property or property+value
Rename ers_test.py => test_ers.py
Update docstring
Remove tests from ers.py
Search entities across peers
Update tests
Merge branch 'feature/search' into develop
Update the name of the test script
Get peer IPs instead of hostnames