[fix] no horizontal scrolling on small screen
[fix] small images in the results aren't not "zoomed"
[mod] use pngcrush to reduce the size of png files
[mod] default template modifications
- more smartphone friendly
- more text browser friendly
- next button always on the right
- in case of small screen supporting touch event, categories are displayed on one line with a scroll
[fix] test : the icon is included inside the <h3> element
Merge pull request #118 from dalf/master

default theme : small modifications