* Added logo of libgdx to index.md file
Added logo of libgdx to index.md file
References:
![logo](http://libgdx.badlogicgames.com/img/logo.png)
* remove duplicate image, moved it to the top...
add line breaks between resources
* Product Licenses : description & list + link
A very basic description of the different products & licenses that YoYo Games offers
* Fixed link formatting
* Translate challenge subtitles and example challenge text to Spanish
* Corrected errors in syntax and punctuation
* Multiple corrections of it/s to its plus other grammar corrections
* Correction and added paragraph to CSS Flex article
* Corrected my own typo
* Corrected capitalization, American spellings and typos
* Additional information on Unreal Engine 4
I think that a small potion of information on the current state of the Unreal Engine would be great,
Big fan of the Engine
* removed unnecessary commentary