move CCSAXParser out of platform folder
add CCPinyinUtils, add part of android aosp code
add entities
add yajl
add CCMD5, uncomment most code of CCUtils
move purgeDefaultForKey from CCUtils to CCUserDefault
add CCBase64, remove old base64, add CCSecureUserDefault
add ccDrawSolidCircle, ccDrawSolidRoundRect to CCDrawingPrimitives