29.03.2014 DoTA2 Update

[KAMIKADzE]

- Fix bug where players attempting to reconnect would be rejected with "Steam authorization failed", during a Steam service disruption
- Fix bug where the gameserver would not properly display notification messages when a player was marked as abandoning by AFK
- Fix bug incorrectly giving players abandons if the gameserver was unable to contact the Dota 2 Network at the time the match ended and players left rapidly.
- Players who have not yet picked a hero five minutes after the horn will be treated as abandoning by AFK.
- Fixed various solo matchmaking exploits
- Ranked matchmaking will no longer accept parties with an extremely large MMR spread.
- Several tooltip and ability description adjustments and fixes
- Fixed a few server crashes related to clients sending invalid orders
- Recalibrated the thresholds at which players are put into low-priority after receiving high numbers of reports.
- Spectators can now see when a commentator uses hero showcase mode