Update items.csv

Added additional aliases for coal blocks.
Update items.csv

Added additional aliases for various flowers.
Converted emulated player class calls to use base class.
Essentials UUID conversion.
Remove Ess object from FakeServer.
Stop delayed writes from reversing user reset.
Make eco npc methods use proper user config creation and resets.
Allow usermap to support legacy users, and restore ability to create user on first access, as well as server join.
Add UUID mocking support, and fix tests.
Update Bukkit to 1.7.8-R0.1
Bukkit: 1922 CraftBukkit: 3050
Add progress status and /ess uuidconvert command for manual conversion.
Optimize uuidmap writing, and use userConf write buffering.
Fix offlineplayers with null names.
Force CB 3050+
Add previous account tracking to /seen
Format /seen account history list, optimize map loading.
Only write to UUIDMap if the entry doesn't exist.
[Breaking] Fix ECO NPC's.  This is a work around of CB's recent changes blocking invalid uuid lookups.
NPC's converted with the previous version will need manual changes.
Skip empty user names on uuid conversion.
Fix time command exit statuses.