v0.9.4

Hotfix release to fix #195. Also includes other fixes already in master.

• Popup
  • Locked down Popper.js deps until Typescript definitions are fixed (closes #195)
• Dimmer
  • Fixed dimmer transition getting out of sync
• Select
  • Updated Angular minimum deps to 4.3.1 (closes #113)
• Localization
  • Fixed typo in French locale (thanks to @harogaston)
• General
  • Updated deps to support Angular 5 (beta and above) (closes #190)