Fixed: When using the PGraphicsOpenGL renderer Processing would allocate a texture with the maximum allowed width (e.g. 8192x512 pixels for a 10px font) for each font. This lead to severe GPU memory problems, especially when using multiple fonts. Merge doubled code.
Merge pull request #1775 from OffenesFELD/master

Fixed: PGraphicsOpenGL would allocate humongous textures for each font instance