Issue 74 ; adding PSwingMemoryLeakExample to examples

Fixes Issue 97 and possibly Issue 53 as a result. ...

Moved incorrectly labeled examples TestPSwing and TestPSwingFull to the examples module. Renaming them to PSwingExample1 and PSwingExample2 for lack of a better imagination.

Issue 66 ; adding PrintExample to examples to replicate issue

Issue 69 ; adding POffscreenCanvas to extras, with unit test and example

Issue 67 ; fixed issue with example, it was incorrectly adding the scroll pane to the canvas

Issue 59 ; updating license date range to include 2009

Issue 49 ; adding a stroke example

Issue 59 ; copyright start year should be 1998 to match oldest files

Issue 59 ; updating license header and adding one where missing

Issue 29 ; Tweaked checkstyle configuration and ran eclipse formatter on the java source in examples. Reduced checkstyle errors from 5877 to 1352. Note this commit contains formatting-related changes only, no code changes.

issue#6 add overview.html to javadocs

issue#6 ...

svn merge -r117:HEAD https://piccolo2d.googlecode.com/svn/piccolo2d.java/branches/mavenize-1.3 .

issue#44 comes next...