Rename ParticleModel2D to ParticleEffect2D.
Travis CI: API documentation update at 2014-03-24 04:25:12 UTC.
[ci package]
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Bin/Data/LuaScripts/25_Urho2DParticle.lua
	Bin/Data/Scripts/25_Urho2DParticle.as
	Source/Engine/LuaScript/pkgs/Urho2D/ParticleEffect2D.pkg
	Source/Engine/LuaScript/pkgs/Urho2D/ParticleEmitter2D.pkg
	Source/Engine/LuaScript/pkgs/Urho2DLuaAPI.pkg