v1.2.0

• chore: commit version number (6d0fd38)
• chore: optimize editorconfig (4dfa3fb)
• chore: update builder version (8d13bde)
• chore(info): update version 1.2.0 (f3852d5)
• chore(package): update babel-core to version 6.11.4 (#6) (baa5ea4)
• chore(package): update dependencies (#4) (6d48350)
• chore(package): update webpack to version 1.13.1 (#7) (9d11d8b)
• chore(release): 1.2.0 (596a487)
• feat: don’t require API key anymore (4548ad2)
• 🆙 Update deps (97a9eca)
• 👉 Add xo linter (a39bd16)
• Rebuild with latest Safari Extension Builder (df6084e)
• style: Fix xo config (04baf48)
• doc: Add gitter (23f67fc)