RFR: 8280047: Broken link to Swing Connection document from javax.swing package docs [v5]

[Prasanta Sadhukhan]

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

Prasanta Sadhukhan has updated the pull request incrementally with two additional commits since the last revision:

 - Update copyright year
 - Remove unneeded mentions

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7104/files
  - new: https://git.openjdk.java.net/jdk/pull/7104/files/2d1a478e..961158fc

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7104&range=04
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7104&range=03-04

  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 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