Updated dependency versions.

All dependencies have now been updated.
Add update guideline to pom
Revert upgrade of snakeyaml.
Merge branch 'master' of github.com:sk89q/commandhelper.git
Deprecated import/export's first usage, as well as multi-namespace.

Added documentation for those functions as well.
Added DaemonManager, which allows for more seamless cmdline usage.

Also, began SAXDocument in the PureUtilities lib.
Finished the SAXDocument class.
Relocate all shaded classes. Hopefully this works.
Don't hardcode the connection name
Revert relocating sqlite. It doesn't work with the native libs.
Added Java version check. Warn if < Java 7.

Also improved the Version interface (and subclasses).
Fix for entities_in_radius
Only provide unique values for entities_in_radius
Add explicit CRE constructor for uncatchable exceptions.
Fixed a startup error in the data manager
Initialize the logger before we use it.
Also need the preferences initialized.
Added NotFoundException
Add physics arg to set_block_at, add repair cost to itemmeta, add get_light_at, and is_block_powered. Fixed modifying item_spawn.
Merge pull request #124 from jb-aero/master

Lights, power, physics