Version 1.7.0 release

Compatible with Java 11

1.7.0-pre1 release

Revert "j3dutils: add workaround for appcontext bug in Java 7 u25"

This reverts commit 1420647. The fixup
has been moved into the core pipeline code.  The parts of the above commit
removing a println and adjusting the max wait time have been preserved.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>

Revert "j3dutils: add workaround for appcontext bug in Java 7 u25"

This reverts commit 1420647. The fixup
has been moved into the core pipeline code.  The parts of the above commit
removing a println and adjusting the max wait time have been preserved.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>

j3dutils: add workaround for appcontext bug in Java 7 u25

As explained here:
http://stackoverflow.com/questions/17223304/appcontext-is-null-from-rmi-thread-with-java-7-update-25

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>

j3dutils: preserve public API by inheriting from newly added AutoOffS…

…creenCanvas3D from j3dcore

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>

j3dutils: remove unneeded cast to String

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>