master
8367561: Getting some "header" property from a file:// URL causes a file descriptor leak
8345625: Better HTTP connections
8352502: Response message is null if expect 100 assertion fails with non 100
8348986: Improve coverage of enhanced exception messages
8367005: ImageReader refactor caused performance regressions for startup and footprint
8344189: Cleanup code in sun.net.www.protocol.mailto.MailToURLConnection and sun.net.smtp after JEP 486 integration