[WIP] pour liquids into containers on ground

Pour some liquid from inventory to near tile with *containers*.

* Old behaviour: liquid pours on ground.

* New behaviour:
![pour](https://cloud.githubusercontent.com/assets/6351438/3560592/a6fd3758-0978-11e4-88db-05ca3879d187.png)

upd: interface and behaviour changed. Look in comments for info.
Ome interesting with AStyle-plugin. Option "1tbs" works like Allman. I set "Java" option and bracket turns on the right place.

I hope I will not bring more problems with it.