Update docs

Author: dr-dimitru

docs/3rd-party-storage.md

@@ -8,4 +8,4 @@ We made a next integration examples for you:
  - [GridFS Integration](https://github.com/VeliovGroup/Meteor-Files/wiki/GridFS-Integration)
  - [Google Cloud Storage Integration](https://github.com/VeliovGroup/Meteor-Files/wiki/Google-Cloud-Storage-Integration)
 
-*AWS S3* and *DropBox* is available in [demo app](https://github.com/VeliovGroup/Meteor-Files/tree/master/demo) out-of-the box
+*AWS S3* and *DropBox* is available in [demo app](https://github.com/VeliovGroup/Meteor-Files-Demos/tree/master/demo) out-of-the box

docs/aws-s3-integration.md

@@ -2,7 +2,7 @@
 
 Example below shows how to store and serve uploaded file via S3. This example also covers file removing from both your application and S3.
 
-See [real, production code](https://github.com/VeliovGroup/Meteor-Files/blob/master/demo/lib/files.collection.coffee)
+See [real, production code](https://github.com/VeliovGroup/Meteor-Files-Demos/blob/master/demo/lib/files.collection.coffee)
 
 Prepare: install [knox](https://github.com/Automattic/knox):
 ```shell

docs/dropbox-integration.md

@@ -2,7 +2,7 @@
 
 Example below shows how to store and serve uploaded file via DropBox. This example also covers file removing from both your application and DropBox.
 
-See [real, production code](https://github.com/VeliovGroup/Meteor-Files/blob/master/demo/lib/files.collection.coffee)
+See [real, production code](https://github.com/VeliovGroup/Meteor-Files-Demos/blob/master/demo/lib/files.collection.coffee)
 
 Prepare: install [dropbox-js](https://github.com/dropbox/dropbox-js):
 ```shell

docs/toc.md

@@ -97,7 +97,7 @@ Please see our experimental [webrtc-data-channel](https://github.com/VeliovGroup
 
 ##### Examples:
  - [Third-party storage (AWS S3, DropBox, GridFS and Google Storage)](https://github.com/VeliovGroup/Meteor-Files/wiki/Third-party-storage)
- - [Resize, create thumbnail for uploaded image](https://github.com/VeliovGroup/Meteor-Files/blob/master/demo/server/image-processing.coffee)
+ - [Resize, create thumbnail for uploaded image](https://github.com/VeliovGroup/Meteor-Files-Demos/blob/master/demo/server/image-processing.coffee)
  - [File subversions](https://github.com/VeliovGroup/Meteor-Files/wiki/Create-and-Manage-Subversions) - Create video file with preview and multiple formats
  - [React - Example](https://github.com/VeliovGroup/Meteor-Files/wiki/React-Example) - React with a progress bar and component with links to view, re-name, and delete the files
  - [Converting from CollectionFS/CFS](https://github.com/VeliovGroup/Meteor-Files/wiki/Converting-from-CollectionFS) - Live conversion from the depreciated CFS to Meteor-Files (*Amazon S3 specifically, but applies to all*)