Dota 2 Update - November 20th, 2014

[siosios]

* Fixed various crashes
* Fixed some Effigy bugs
* Fixed Manifold Paradox assassination score being lower than intended and retroactively granted points
* Fixed a Mac crash
* Fixed a bug that caused Arcanas to drop at a higher rate than intended (fewer than 80 of each were dropped)
* Adjusted Poor Network Conditions packet loss sensitivity

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