commiting filecontroller upload for other five files.
testsc-4 file conflicted?
Merge branch 'master' of https://github.com/hotarufk/knowledgemanagement

Conflicts:
	knowledgemanagement/document/file_testscenario/file_testscenario-4.docx
	knowledgemanagement/protected/controllers/FileController.php
commit six fixed uploader for empty-file checking.