More work for item tracking and other fixes

Update version to 1.0.0 for future release
Update Bukkit dependency to version 1.7.2
Switch from using deprecated item IDs to enum values
Add tracking for item related events
Add tracking for entering and leaving beds
Include peak players statistic
Add method to get list of online players
Keep track of material values
Keep track of entity values
Log player join and quit on enable and disable
Show new statistics on webpage
Update project version string to make maven happy
Remove build.xml since we are using maven