Create kerno class & fix energy class

Esperanto por ĉiam
create building class, still fix other classes

obj_line, obj_text & kerno
Create transmitter class

sorry, but no esperanto now
Create conectNode class

ensperanto, i miss you
clear test's in game_init.cpp
refuse from esperanto at all

...for some time
Merge pull request #6 from Enelar/kerno

Simple building