Updated the file scanning tests found in the VirusScanTestCase and UGCServiceTest

Updated the names of the packages within the virus scanner module

Added the virusscanner properties file which holds the configuration for the ClamjVirusScannerImpl (clamd host, port and timeout)

Added the spring aplicationContext.xml to the virus scanner module and the bean that holds the virusscanner properties file
Merge branch 'master' of https://github.com/juanavila/social