add avos
repair bug
edit readme
Merge commit '2c3e609e61766fa7803360a9227cc2c76ba17ee1'

Conflicts:
	AnalyticsSDK.podspec
	AnalyticsSDK/AnalyticsSDK.h
	AnalyticsSDK/AnalyticsSDK.m
	AnalyticsSDKDemo/AnalyticsSDKDemo.xcodeproj/project.pbxproj
	AnalyticsSDKDemo/Podfile
Merge branch 'master' of https://github.com/shjborage/AnalyticsSDK
Log enable error fix for last merge