Adjust paths.


Former-commit-id: 3ce1cae1ebc8dc2cd84ba90b51c523aafd55a956
Do not complain about missing atrinik.p0.


Former-commit-id: 8c6351c6e001d12afa13e7e1ef96aedf960d8f96
Readd removed files.
Fix warning.
Add installation instructions for Gridarta.
Use correct exit return values.
Add some missing exit calls.
Readd images.
Fix #45: Font in chat window text input doesn't match chat text
Revert arc file changes.
Fix #2: Sound effects continue after logout
Update CS_STAT_xxx values, remove CS_STAT_CHA and CS_STAT_WIS.
Do not send CS_STAT_WIS and CS_STAT_CHA.
Rework CS_STAT_xxx parsing. Fixes #13: Switching between characters on account gives wrong sound
Correct text input text location calculation.
Fix #52: Adding new keyboard shortcut bad padding
Add hidden tunnel.
Performance optimizations and API simplification in QuestManager class. Implements #9: Allow strings in quest part names. Backwards incompatible with existing multi-part quests. QuestManagerMulti.completed_part and QuestManagerMulti.started_part methods deprecated.
Update "Escaping the Deserted Island" quest for compatibility with new API.
Use floating point numbers for more accurate distance calculation in map_target_cmp().