Working on facebook interaction in Graph model, work in progress

Signed-off-by: Pooyan Khosravi <pekhee@gmail.com>
still working on Graph

Signed-off-by: Pooyan Khosravi <pekhee@gmail.com>
Final un tested Graph version

Signed-off-by: Pooyan Khosravi <pekhee@gmail.com>
Changed binding so Graph can be used

Signed-off-by: Pooyan Khosravi <pekhee@gmail.com>
changed Graph's file name to lowercase

Signed-off-by: Pooyan Khosravi <pekhee@gmail.com>