Added a webservice to retrieve list of documents in workspace, filtered on ACLS and private folders
Merge branch 'feature-webservices-document' into dev

Conflicts:
	docdoku-common/src/main/java/com/docdoku/core/services/IDocumentManagerLocal.java
	docdoku-server/docdoku-server-ejb/src/main/java/com/docdoku/server/DocumentManagerBean.java
Merge branch 'dev' of github.com:docdoku/docdoku-plm into dev