bump up version to 1.0.0

- [x] task list in markdown
- Add tooltips to links
- Search text in the document
- Outline window
- User CSS and favorite code theme
- Math formula preview with [katex](https://github.com/Khan/KaTeX) (please use `katex` code block)
- [mermaid.js](https://github.com/ludwick/reveal.js-mermaid-plugin) integration (please use `mermaid` code block)
- Hidden title bar on OS X
- Many more configurations

- Improve rendering performance (2x faster)
- Optimize app start up time (mermaid, lint result window setup, and so on)
- Update Electron to 0.37
- Use native dialog to choose a file or directory
- Add more tests
- Many refactorings

- Replace :emoji: only in text
- Fix document layout for print
- Fix many bugs

package.json

@@ -1,7 +1,7 @@
 {
   "name": "shiba",
   "productName": "Shiba",
-  "version": "0.11.3",
+  "version": "1.0.0",
   "description": "Live markdown previewer with linter",
   "main": "./build/src/browser/mainu.js",
   "bin": {