tidy up : ready to release 0.0.2 ( online )

| Q             | A
| ------------- | ---
| Bug fix?      | some part
| New feature?  | some part
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes

Details : 

- [x] Tidy up Learn ZF2 Form Usage rows
- [x] change <code><?=</code> to <code><?php echo</code>
- [x] Fixes CSes
- [x] add code highlight to Learn ZF2 Form Usage
- [x] Fixes "Other Demos" sidebar to use modules list data called form <code>config/autoload/global.php</code> with excludes current module
- [x] Fill value {} in Buy us a cup of coffee section ( sementara sebelum ada paypal :D )

Tolong direview ;)