integrating work from @suskind
adding a "margin" option to Ink.Dom.Element.inViewport
change options, take advantage of InkEvent.throttle and InkElement.inViewport, adding _userCallback utility function
Removes less compiler dependencies in package.json and removes less compilation task from Gruntfile
Updates compiled css
refactor, starting docs
small bugfixes
lazyload tests
Merge pull request #314 from suskind/develop

removed example from .create() method
removing options
Merge branch 'develop' of github.com:sapo/Ink into develop
Chrevron pagination theming.
Merge branch 'develop' of github.com:sapo/Ink into develop
simplifying UL existance check
bugfix (<a> tags not being created)
Merge branch 'develop' of github.com:sapo/Ink into develop
Merging
Merge branch 'develop' of github.com:sapo/Ink into develop
Fixes chevron pagination <span>.
Merge branch 'develop' of github.com:sapo/Ink into develop