WSOTWO-142: Added test util class
WSOTWO-142: Fixed tests with ImportFilePresenter
WSOTWO-142: Fixed build
WSOTWO-142: Added tests to OverwriteFilePresenter and CreateResourcePage
WSOTWO-142: Added message when waiting response
WSOTWO-142: Fixed problem with importing files
WSOTWO-142: Updated version of IDE to 3.1.1
WSOTWO-142: Fixed problem with loaders and slowly importing files
WSOTWO-136: Added unit tests to Call mediator
WSOTWO-142: Improved performing testing
Merge branch 'master' into WSOTWO-147

Conflicts:
	codenvy-ext-wso2-core/src/main/java/com/codenvy/ide/ext/wso2/client/LocalizationConstant.java
	codenvy-ext-wso2-core/src/main/resources/com/codenvy/ide/ext/wso2/client/LocalizationConstant.properties