Add ini file parsing

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Add control factory to generate controls from loaded ini file

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Add UILibrary to included header paths

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Add projects to render UI library elements

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Add basic main window to test app

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Add button to demo application

Signed-off-by: James Tasker <james_tasker1@hotmail.com>