Permissions rework

...cketchat-authorization/client/lib/models/Subscriptions.js

packages/rocketchat-authorization/client/lib/models/Users.js

packages/rocketchat-authorization/client/startup.coffee

.../rocketchat-authorization/client/views/permissions.coffee

...es/rocketchat-authorization/client/views/permissions.html

...ketchat-authorization/client/views/permissionsRole.coffee

...ocketchat-authorization/client/views/permissionsRole.html

packages/rocketchat-authorization/package.js

...etchat-authorization/server/functions/addUserRoles.coffee

...thorization/server/functions/getPermissionsForRole.coffee

...authorization/server/functions/removeUserFromRoles.coffee

...at-authorization/server/methods/removeUserFromRole.coffee

...s/rocketchat-authorization/server/methods/saveRole.coffee

packages/rocketchat-authorization/server/models/Base.js

packages/rocketchat-authorization/server/models/Roles.coffee

...s/rocketchat-authorization/server/models/Subscriptions.js

packages/rocketchat-authorization/server/models/Users.js

server/methods/createChannel.coffee