Adding per server locale support and adding German locale.

commands/AddRoleMenu.js

commands/AddRoleToMenu.js

commands/AssignPermission.js

commands/ChangeLocale.js

commands/DeleteRoleFromMenu.js

commands/DeleteRoleMenu.js

commands/EditRoleMenu.js

commands/ListPermissions.js

commands/RevokePermission.js

components/locale.js

components/permConfig.js

components/roles.js

index.js

locales/de.json

locales/en.json

models/RoleMenu.js

models/ServerConfig.js

registerCommands.js

util/locale.js

util/perm.js