Merge pull request #2 from mjholtkamp/master

Five small improvements to jsawstats
Merge pull request #3 from mjholtkamp/master

Better handling of axes for the "All Months"-view, using DateAxisRenderer and better min/max. Finally, also an "average" line.
Merge pull request #4 from mjholtkamp/master

URL + Calendar views
Merge pull request #5 from mjholtkamp/master

Corrupt awstats state file handling
Added highlighting of legend in pie charts

When hovering parts of a pie chart, the corresponding entry in the
legend is now highlighted.