Fixed #4987: Fix plist loader's issue by passing file content to cc.plistParser.parse
Fixed #5040: Reverse ParticleSystem's default initialization to call initWithTotalParticles function by default
	Otherwise the CCBReader won't work correctly
Merge pull request #364 from pandamicro/master

Fixed #5040: Reverse ParticleSystem's default initialization to call initWithTotalParticles function by default