[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] prepare release piccolo2d-complete-3.0-beta1-rc1

update release notes and readme for 3.0-beta1

remove fullscreen test which interferes with window focus when running builds

updating maven plugin dependency versions and re-arranging reporting sections

use x86_64 version of SWT dependency by default

refactoring jdk16 and jdk16-modules back into core and examples respectfully, additional fixes to extras package, enable OSX intel profile by default

refactoring jdk16 and jdk16-modules back into core and examples respectfully

updating minimum JDK version to 1.6, add enforcer configuration

update version from 2.0-SNAPSHOT to 3.0-SNAPSHOT

creating 3.0-spike branch from current 2.0-SNAPSHOT svn trunk

Issue 242 ; fix typo in API documentation

Issue 189 ; adding transparency support for SWTGraphics2D and PSWTPath

Issue 224 ; removing maven-3 profile, replacing with maven-enforcer-plugin configuration, and updating maven-site-plugin dependency version to 3.1

Issue 229 ; update maven-checkstyle-plugin dependency version to 2.9

Issue 207 ; ignore mouse pressed and released events with button MouseEvent.NOBUTTON instead of throwing an exception

Issue 148 ; adding PSwingCameraBug to examples.pswing.issues package

Issue 186 ; moving PSwingMemoryLeakExample to examples.pswing.issues package, commit 2 of 2

Issue 186 ; moving PSwingMemoryLeakExample to examples.pswing.issues package, commit 1 of 2

Issue 186 ; adding org.piccolo2d.examples.pswing.issues package

Issue 221 ; adding ZeroWidthStrokeBug to examples.issues

Issue 186 ; moving issue-related examples to examples.issues package, commit 2 of 2

Issue 186 ; moving issue-related examples to examples.issues package, commit 1 of 2

Issue 186 ; adding org.piccolo2d.examples.issues package

removing empty directories from source trees

Issue 236 ; adding zoom event handler that responds to mouse wheel events

updating parent jdk.version to 1.5

Issue 235 - PSwingEventHandler now uses Point2D.Double in call to cameraToLocal to avoid under/overflow

Issue 231 ; doc fix, width --> height

Issue 227; (trunk) fixed bounds issue when replacing PCamera on a PCanvas; added relevant tests