Merge pull request #7 from mozillazg/patch-1

Fix an typo issue
Merge pull request #1 from makinacorpus/master

sync with main repo
django url deprication fix
Merge pull request #8 from dynamicguy/master

django deprication warning is fixed for django==1.5.1
Add @dynamicguy to authors
use capture instead of captureSelector if no selector
add 'screamshot' class on body to allow easy css-styling in print mode
add a waitfor param so capture is performed into a waitForSelector
remove remote.message event (it produces bad side-effects)
add render=html param to return image in web page with print dialog opened automatically
update documentation
--amend
Merge pull request #2 from makinacorpus/master

sync with main repo
add size param, so user can control image size.
adjust code.
add format parameter for image format.