Fixed synchronization & new command for editing synchronized inventory and enderchest
+ Added new command /invsave sync edit <player> [enderchest] for editing network inventories and enderchests.
+ Added new permission
invsave.command.invsave.sync.edit to use command /invsave sync edit
+ Added new permission
invsave.command.invsave.sync.edit.help to see /invsave sync edit command help.
+ Added new permission
invsave.command.invsave.sync.edit.enderchest to be to open enderchests in command /invsave sync edit
+ Added new permission
invsave.sync.inventory.edit to be able to save edited network inventory
+ Added new permission
invsave.sync.enderchest.edit to be able to save edited network enderchest
* Fixed synchronization between servers, when fast-login is used