Texture rendering

[RohacekD]

Added basic 2D algorithms for rendering. Like

• Bresenham's algorithm

• XiaolinWu algorithm

• Flood fill

• Brick generation

• Still needs to be written down what happend.

• Improve editor please, this is still use less.

• Noise generation would be useful for my current needs

[RohacekD]

First complete pull request 208 to ensure correctness of changes.