Added annotation on package-level to indicate that the method parameters
in that element are non-null by default
Changed log level to debug for expected absence of patterns for device
category 'Personal computer' and 'Other'

(belongs to issue 58)
Updated UAS data and examples to '20140103-02'
Moved robot sample where operating system is accidentally identified as
iOS to UNKNOWN.csv
Temporary change to pass the integration test for device category
indentification