[NCore] Fix some Javadocs
[NTalk] WIP: ability for admins to see real names of nicknamed players
[NTalk] Add ability to see real name for nicknamed players with a permission. Adds #171
[NGeneral] Add #56
[NGeneral] Forgot this in #56
[Global] Simplify Messages construction
[Global] Fix messages.yml configurations
[NCuboid] Add ability to unset Location attributes. Also add #32
[NCuboid] Fix last commit
[Global] PlayerIdentifiersUtils -> PlayerIdsUtils
[Global] Utils -> Util
[Global] Backup config when error on load
[NCore] Keep this in case it's needed later at some point
[NCore] Add a little DateUtil
[NCore] Use DateUtil
[NCore] Add a global UUID <-> Player name map
[NCore] UuidDb - remove case sensibility
[NCuboid] Fix
[Global] Change version to 0.6.5 for release
[Global] Change version to 0.6.6-SNAPSHOT for development