Added shared dynamic library binaries and new start code to be able to load them.
Updated gitignore to allow dlls to be committed in library bin directories.
Add additional windows dlls and put start.py code in Uforia.py.
lib fix

Signed-off-by: ramonvloon <ramonvloon@hotmail.com>
Fix ld library path loading on linux.
Added source code for libexempi