Made media query for resolutions 1028, 1240, 1366, 1440 for index.php
Removed link to styles_index css file in category partial.
Added the right size pictures
Combined styles_index and style.css. Simplified media queries.
Added crop div to partial. Final styles for index page.
Ran images through imageoptim.
Gracefully adapting to two images per line.
Merge branch 'styles_index'

Conflicts:
	assets/category_images/1.jpg
	assets/category_images/2.jpg
	assets/category_images/3.jpg
	assets/category_images/4.jpg
	assets/category_images/5.jpg
	assets/category_images/6.jpg
	assets/category_images/7.jpg
	assets/category_images/8.jpg
	assets/style.css