Allow to only register a Channel via AbstractBootstrap and bind/connect it later. Related to [#1829]
Make DatagramChannel impls .isActive() return true when the underlying Channel is open. This also fixes [#1830]
[#1830] Add testcase for write to not bound DatagramChannel impls and revert change in OIO as it breaks things as the udnerlying socket lazy binds
Merge remote-tracking branch: upstream/master