Merge pull request #108 from KKBOX/master_daniel

Adjust parallaxed header view to support multi header
ticket.72532: Fix over the task thread pool size in KKImageRequest
Merge pull request #111 from KKBOX/master_ethan

ticket.72532: Fix over task thread pool size in KKImageRequest
Customize retry time
Modify naming
Merge pull request #117 from KKBOX/master_wendy

Customize retry time
Add getViewMessage to KKFragment