Release 3.0.0

• 3.0.0 (12813ff)
• update instructions (2983b16)
• lock (a977717)
• fixing example not compiling (4cf1382)
• slight upgrade for gradle (82bdc51)
• remove deprecated repo (2b5e882)
• gradlew should be executable (48ed117)
• Move react-native-webview to dev deps, make flexible peer dependency (400910e)
• Merge pull request #15 from FastComments/dependabot/npm_and_yarn/react-native-community/eslint-config-3.0.3 (39b1b41)
• Merge pull request #6 from FastComments/dependabot/npm_and_yarn/example/simple-plist-1.3.1 (fdc12f5)