finally fix title rendering

We now reuse the normal text rendering.

Change-Id: Iabbe94c3f2473be1e61791b8493f0d8c4b894e28
remove the formatted string dummy

Change-Id: I7e73f7362063ef0a3a56765635412746acfee166
fix OpenGL error when line width is 0

Change-Id: Ifc70c632b1f26f77c253edb17cd0b29715389614
initial work on rotation for text shapes

Change-Id: I5752884efd32711f9ac2257a9223eb79c04e8335