Remove fbvsettings.php

File deleted so that it can be added to gitignore
Create a default fbvsettings file

fbvsettings is added to gitignore to avoid further accidental commits
Add a way to change NLP API url from fbvsettings

Games like Pyramid will read the api url from fbvsettings
Merge branch 'anupdhml-development' into development
Add the arcade control
by modifying themes/metadatagames/views/layouts/main.php, but on the search page there still exists the Arcade tab
Fix the acrade tab issue in search page
by modifying mg-game/www/protected/views/layouts/main.php, which is different from the previous main.php. I must say the design is a little messy here