1. Fixed a bug that prevented highlighting when more lines were deleted
from a replacement block than added
2. Added similarity search feature to match similar lines for
highlighting.
3. Highlighting: Support for matching "ins" and "del" markers to allow
for a "change" marker
4. Bugfix: All lines are now split into prefix and content spans
* use native JS in example instead of jQuery
* better module exposing now using exports, module.export, self, window, global and this
* add example link to bower and npm definition
* add documentation on how to highlight
