Added hostname to be able to use it as a filter for tracking (if hostname is not equal to the filter the tracking will not be possible)
Merge commit '0ad63b8a51e31008f96c0ed605297404dc0e8031'
Merge branch 'Data_processing_(dataProcessing.js)' of https://github.com/MichuP/wt-analytics

Conflicts:
	lib/webtracker.js
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