RFR: JDK-8285977: Add links to IEEE 754 specification [v2]

[Joe Darcy]

> Please review the addition of @-see links from classes that mention the IEEE 754 floating-point standard to an IEEE page about the standard. The URL in the initial version of the PR is the top search result on the IEEE home page for "754 standard".
> 
> Another candidate page to use is
> 
> https://ieeexplore.ieee.org/servlet/opac?punumber=8766227
> 
> which is (apparently) a stable citation page for the standard.
> 
> These links may be upgraded to the the forthcoming @-spec facility in the future. ( JDK-6251738).

Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:

  Update copyright.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8511/files
  - new: https://git.openjdk.java.net/jdk/pull/8511/files/244fe910..1d9e1521

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8511&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8511&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8511.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8511/head:pull/8511

PR: https://git.openjdk.java.net/jdk/pull/8511