Merge pull request #91 from sorich87/develop

integrate develop to master
Introduce 'onNext' and 'onPrev' functions
Merge pull request #93 from emmenko/master

Introduce 'onNext' and 'onPrev' functions
Introduce 'Grunt' task runner
Improve README and cleanup unused files
Move resources under 'assets'
Update README with new task
Introduce 'livereloading' for static pages
Improve dep info
Merge pull request #99 from emmenko/grunt

Introduce automated development process using Grunt
revisioned readme
Revert "revisioned readme"

This reverts commit 91db04f56ae2a9df8ee1f5d0a7a86649c293d13f.
revised readme
prepared files for tag 0.4.0 upgrade