http-client-branch: (WebSocket) remove notion of partial/parts/whole messages (RFC 6455 says text and binary can be streamed unrestricted); introduce pending send operations to refer to them later in about and sendText/sendBinary

^build/
^dist/
^.idea/
nbproject/private/
^webrev
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^.jib/
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test/nashorn/script/external
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NashornProfile.txt
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.*/JTwork/.*