Bug fix for test db cannot be closed problem
Merge branch 'develop' into feature/testCase
1) Change mongoengine into mongoEngine in db settings 2) Clean up db/backends/mongoEngine
Bug fix for getting collection_name of model which locates in seperate file
1) Change tests/base to tests/testBase 2) Move dummyModelFactory to tests/testBase 3) Change the name of dummyModelFactory to CombinatoryModelFactory
Bug fix for focusing first required input