Merge pull request #41 from jbroadway/master

Sync
Merge pull request #42 from jbroadway/master

Sync
Typo in comments
Catch an exception if image file is corrupted
Added printer-friendly styles to default layout
Colorbox upgraded to version 1.4.6
Merge pull request #167 from mmelnyk/master

Printer-friendly stylesheet for default theme, Colorbox upgrade to 1.4.6, catch exception in Image::resize()