Merge pull request #2 from drinor/development

Development
Updates:

- Fix path bug (save removed way in map).
- Levels window is added.
- Options window is added.
- In the battle, panel is deactivated when is not the user turn.
- Fix some translations and info.
- The color of road is changed in the mini-map.
- Code indexed.
- Save and load game feature is implemented.
- Fixed some bugs.