Upgraded Timber and Dummy

• Timber 1.15

First stable release

First Stable release

- Timber 1.7
- Gulp 4
- Dummy rebranding

A few steps away from the first stable version

Rewritten from the ground up

  - Simplify php code
  - Switch to grunt
  - Fix most of the "function.php" codes

First Beta

The first working release.