Added support for keyboard input in embed.

git-svn-id: http://svn.purei.org/palleon/trunk@271 e658db38-2ae6-4b1c-8a17-0a8554443f32
Handle WM_GETDLGCODE in Win32EmbedControl to prevent beeping when pressing keyboard keys.

git-svn-id: http://svn.purei.org/palleon/trunk@272 e658db38-2ae6-4b1c-8a17-0a8554443f32
Added ability to pause embed control on Win32.

git-svn-id: http://svn.purei.org/palleon/trunk@273 e658db38-2ae6-4b1c-8a17-0a8554443f32
Detach children when destroying scene node.

git-svn-id: http://svn.purei.org/palleon/trunk@274 e658db38-2ae6-4b1c-8a17-0a8554443f32
Increased maximum vertex items in vertex buffer.

git-svn-id: http://svn.purei.org/palleon/trunk@275 e658db38-2ae6-4b1c-8a17-0a8554443f32
Disable timer when executing external command in Win32EmbedControl to prevent problems.

git-svn-id: http://svn.purei.org/palleon/trunk@276 e658db38-2ae6-4b1c-8a17-0a8554443f32
Just forget about rendering when the embed control isn't running.

git-svn-id: http://svn.purei.org/palleon/trunk@277 e658db38-2ae6-4b1c-8a17-0a8554443f32