Fix one last witherskull/fireball conflict
Respect LIGHTER flag for ignition build checks
Improved lighter handling.
Remove duplicate check. (derp)
Don't ignore canceled air right click events.
Apparently Bukkit pre-cancels them even if they would do something.
Fix explosion check order
If the explosion is blocked and the block damage is also blocked, it's necessary to block the explosion (which includes the damage) instead of just the block damage.
Merge branch 'master' of https://github.com/sk89q/worldguard