v1.2.0

• Support Japanese-English #13
• Improve the settings screen
  • Improve the trial window UX #20
  • Enable re-loading default dictionary data
  • Add some links(download dictionary data, HTML templates help)
• Improve the ability to look up
  • Support spelling differences #21
  • Improve some other transformation features
• Show some information when MD is invoked for the first time #18
• Look up selected string when MD is invoked
• Improve scrollbar display
• Improve the internal structure