Output model or view through URL request as JSON

If /m/ is added at the beginning of the URL, the kernel will output the
application model in JSON
Moved .htaccess from config/ to system/ dir
Some modifications on Readme file
Added app-name in model returned
Undo last edit on news/front/templates/listing.html
Merge remote-tracking branch 'origin/0.4' into response-model

Conflicts:
	system/WCore/WMain.php
	system/WCore/WRoute.php
Merge pull request #75 from Creatiwity/response-model

Output model or view through URL request as JSON
Merge remote-tracking branch 'origin/0.4' into contact-app
Contact front implemented