Only deserializate data when it is not nil
Add NSCoding support for Qortex object
Always log error and call completionHandler
Fix unparseable date exception for special date format
Fix garbled text for java client
remove not used time package in golang client
Merge pull request #2 from jinzhu/master

Fix unparseable date exception for special date format (for java api)
Fix can't parse some time format
Change ParseException var name
ignore imported type when generating sdks
No need to synthesize the properties of Objective-C
fix go client generator
Fix ssl error in android 2.3
Don't put ignore ssl error code in the template
Add stream support for api
Fix int64 java mapping, should be long but not int
Add java support for stream
close stream for java, seems don't need to close for ios
Use gzip for api data transfer
connectin's getContentEncoding possible to be null