chore(*): version bump 1.0.8

  - Closes #125, #121, #99 - Fix paradox of choice ($ vs jQuery)
  - Closes #122 - Update jQueryUI depedency in demos and tests
  - Closes #130 - Restore display value if set, else use block
  - Closes #128, #36, #30 - Restore zIndex value always
  - Closes #117, #110 - Fix destroying widgets prior to initialization
  - Closes #111 - Allow dropping without ngModel similar to dragging