RFR: 8280047: Broken link to Swing Connection document from javax.swing package docs [v3]

[Prasanta Sadhukhan]

> Fixed the broken link with appropriate link to swing document.

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  Fix other links

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7104/files
  - new: https://git.openjdk.java.net/jdk/pull/7104/files/efcf062c..edcb840a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7104&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7104&range=01-02

  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7104.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7104/head:pull/7104

PR: https://git.openjdk.java.net/jdk/pull/7104