fix the bug that could not purchase item anymore after purchase during the period of death

update

- Removed 5 teams duo map.
- Delayed the time of restricting areas.

bug fixes

Balance fixes:
1. change the starting gold from 1200 to 1700.
2. the drop rate of ability scrolls now use dynamic drop rate.
3. the time of restricting fighting area are changed
3.1 5v5 from 15/25 minutes to 25/30.
3.2 2x5 from 12/18/24 to 20/25/30.
3.3 1x10 from 10/15/20 to 15/20/25.

bug fixes

bug fixes

bug fixes

fix bug of rating service in multi team games

fixes bug of elo server
reduced the radius of ffa restricted areas
increased the interval of creep updates
decreases the chance of creep spawn at the center of map
redesigned the exp to reach each level