Updated method getHistory() in RecentActivity/Chrome.java so that the
allocation status of the found history files is checked and only the
allocated files are used. Log a warning if more than one allocated history
file is found.
Merge branch 'master' of https://github.com/sleuthkit/autopsy
Changed 2 warning level log messages to info level.
Merge pull request #160 from tmciver-basis/master

Fix for AUT-822: duplicate Chrome history items