* [ADF-3198] Fixed glitches in doc index files and tools
* [ADF-3198] Reviewed new tutorial content and fixed index glitches
* [ADF-3198] Fixed host settings component brief description
* [ADF-2679] Initial review of new tutorial content
* [ADF-2679] Reviewed the latest tutorials
* [ADF-2679] Initial review of new tutorial content
* [ADF-2679] Reviewed the latest tutorials
* Broken links and missing images for two tutorials.
* Replaced .html with .md extensions
Replaced .html with .md extensions.
* Typo in Prerequi(si)tes
Typo in Prerequi(si)tes.
* Added the working-with-nodes-api-service tutorial.
* Added the 'Alfresco Example Content Application' paragraph to the 'Preparing the development environment' tutorial.
* Added the tutorial 'Creating your JavaScript application using alfresco-js-api'.
* Added the image of the tutorial.
* Typo in 'creating-javascript-app-using-alfresco-js-api.md'
Typo in 'Prerequisites'.
* Typos in 'creating-javascript-app-using-alfresco-js-api.md'
Two small typos.
* Wrong sentence in 'creating-javascript-app-using-alfresco-js-api.md'
...into Angular applications, but it is "framework agnostic".
* Typo on 'creating-javascript-app-using-alfresco-js-api.md'.
...and Angular...
