Releasing version 2.0.1

Changes:
Updated dependencies to latest versions
Updated bootstrap version to Bootstrap 4
Achieved compatibility with current dc.js (v3.1.6)
Removed vulnerable dependencies
Implemented new table extensions:
  - responsive features,
  - scrolling (with deferred rendering)
  - rows & columns selection
Implemented basic testing scenarios
Dropped bower support
Corrected few minor bugs and styling issues