Maitain emojis

Add emojis kandan not have but gemoji 1.5.0 has.
These emojis were supposed to be added to gemoji due to its version up.

Lacked emojis were shown as broken images like below. This pull request will fix it.

![screenshot_2014-05-08 21 37 22](https://cloud.githubusercontent.com/assets/788865/2917844/3b14249c-d6ca-11e3-9d55-a3f0f7afebe1.png)