fix other bug with road recomputing
2 hippodrome blocks
3 hippodrome blocks
Signal/Slot system add
Own List<T> container add, need for correct work signals
Update README
Merge https://github.com/dalerank/opencaesar3
add GPU License to oc3_* files
small refactor + add new event
big side menu - half of representation
big side menu - remove unused comments
big side menu - change ifs to case
big side menu - make middle image change
Merge pull request #8 from pufik6666/master

Get changes from pufik - roads and hippodrome
add lost file for signal/slot system - oc3_allocator.h
Add powerful gui based on own Event and Signal/Slot system.
Add PushButton, GuiEnv and Label. Lot of modifications, need fully testing with native code.
Fixed double drawing text on label
Restore building house, road and remove tool
fixed Build menu position.
Fixed BuildButton text + cost drawing
Work of the small menu is restored.
Fixed no drawing building preview before mouse moved.