nginZ 1.3.0

This is just a new version of **nginZ**. Currently under development. New nginZ is coming as **mobile-friendly**, optimized, lightweight and extensible framework.

Docs
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#### Documentation site
- [ ] **Make nginZ site at http://nginz.zdroidblog.info.** Best thing for documentation is docs website. It can be moved to GitHub pages later.
- [ ] Add useful documentation.
- [ ] Draw illustations.

### Wiki
- [ ] Clear unnecessary content from wiki.
- [x] Link new website.

### Readme
- [x] Change Readme format from plain text to Markdown.
- [x] Format Readme as Markdown.
- [ ] **Minify and make clear README section *'Get involved'*.** Contributing docs need to be clear and simple.
- [ ] **Remove *'TODO'* section.** All feature specs will be in pull requests and on blog (in development).

CSS
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### Global
- [x] Use HTML5 reset.
- [x] **Organize CSS.**

### Style non styled elements
- [x] Style buttons.
- [ ] Style tables.
- [ ] Set CSS for all lists.

### Minify and clear
- [ ] Use 3 fonts as maximum for whole framework.
- [ ] Add minified version of CSS.

### Special
- [x] **Add Z3D - Z 3D text.** Use `text-shadow` in CSS to make 3D text.
- [x] Fix `a:hover` and add `a.button` class.

PHP
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### Global
- [ ] Minify PHP usage where can use HTML5.

### Variables
- [x] **Add current page option and `$cur` variable.** This highlights current page in nav.
- [x] Add `$title` variable for page title.
- [x] Use `<?=$code?>` instead of php echo.
- [x] Replace double-things with $variables.

### Security
- [x] Move all rest things for `tweet.php` to `include/tw-config.php` (thanks to @jonwgeorge).

Extras
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### ZDM
- [ ] **Improve mobile support and optimization.**
- [ ] Fix syntax to apply W3C standards.
- [ ] Add function to on-off button.
- [x] **Redo layout on page.** Move on-off button to footer and made one box.

### BlogME
- [x] Add #IDs.
- [ ] Make page for authors.
- [ ] Add support for images.

Other
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- [x] **Add compression.** Page size can be compressed 30-90% with `.htaccess` compression.
- [ ] **Backup [nginZ-backports] (https://github.com/ZDroid/nginZ-backports) and remove that.** All of feature versions will be developed on main repo in development branches like this (1.3.0).