Merge pull request #50 from lupatellimatteo/0.8.1

pull request from repository lupatellimatteo
add horiz_code format to 0.8.1
change color to toc and remove try it now logo
add missed snippet
Merge pull request #51 from lupatellimatteo/0.8.1_horiz

Add horiz format to 0.8.1
change snippet color
change highlight color
Merge pull request #52 from lupatellimatteo/0.8.1_horiz

some modifications
modify snippet margin
Merge pull request #53 from lupatellimatteo/0.8.1_horiz

some modification
change snippet color
modify background color for snippet
Merge pull request #55 from lupatellimatteo/0.8.1_horiz

some modification on snippet
Merge pull request #4 from baasbox/0.8.1

0.8.1