Update SwingLwjglTest to test proper cleanup of LwjglAWTCanvas. Make LwjglAWTCanvas OpenGL context current during stop() to allow disposal of Texture resources.
maven plugins updates and with maven-javadoc-plugin prevent potential CVE-2013-1571 for old JRE

https://github.com/junit-team/junit/pull/796#issuecomment-31624813
Merge pull request #2247 from based2/patch-1

maven plugins updates and with maven-javadoc-plugin prevent potential CV...
Merge pull request #2235 from tommycli/master

LwjglAWTCanvas: Allow Texture disposal during stop().
Extended use of buffers in GwtGL20
Merge pull request #2288 from Kjos/master

Extended use of Buffers in GwtGL20