Add Moonflower, Glowing Mese / Dye

This pull request adds the following:

Glowing Mese -- Akin to MC's glowstone.
Glowing Dye -- Usable craft to craft things like moreblock's glowglass...
Moonflower -- Only opens at night, and is used to craft Glowing Dye. Is also rare.

Moonflower code belongs to Taoki (MirceaKitsune.)
Textures are licensed as CC-BY-SA
Code is licensed GNU LGPL.
![crafting](https://f.cloud.github.com/assets/1439852/626127/877e3542-cfb5-11e2-9db2-5d6ab8e51ec8.png)
![mese](https://f.cloud.github.com/assets/1439852/626128/8c1c2c58-cfb5-11e2-8154-cdaa1b71a7ac.png)
![screenshot_20077769](https://f.cloud.github.com/assets/1439852/626129/8f24ab64-cfb5-11e2-9229-aaa1ad33741d.png)
![screenshot_20099070](https://f.cloud.github.com/assets/1439852/626130/9134f8fa-cfb5-11e2-8498-74c48d0aab69.png)
![screenshot_20118877](https://f.cloud.github.com/assets/1439852/626131/935ee60e-cfb5-11e2-8ce9-98286cbf3d0b.png)
![screenshot_20133376](https://f.cloud.github.com/assets/1439852/626132/96deee64-cfb5-11e2-91fa-348df5adec24.png)


N.B. Player's hair as a hat was reverted and is not in this pull request, for that, see #168