Update commons-fileupload to version 1.3.3 to avoid security vulnerabilities in demos

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: None
• Fix Version/s: bridge-impl-4.2.0, alloy-3.0.2, portal-3.1.0-new-features, showcase-3.0.4
• Component/s: JSF Showcase, Liferay Faces Alloy / Showcase / Tests, Liferay Faces Bridge Impl / Demos / Tests, Liferay Faces Portal / Demos / Tests
• Labels: None

This task involves updating the commons-fileupload version to 1.3.3 (or removing the dependency completely if possible) to avoid CVE-2016-3092 and CVE-2016-1000031. These vulnerabilities do not affect any production code. They only affect demos.