Release v1.5.12

Changes

• update readme (5177963)
• Update readme.md (aa52c13)
• Add colivara-image.png (bb869fb)
• Update readme.md (ae1dbad)
• Update readme.md (c965277)
• Update readme.md (a2481ef)
• Update readme.md (abd18df)
• Add image (1eba416)
• Delete colivara-image.png (54ef88f)
• Delete colivara-image-3.png (05fe33a)
• Delete colivara-image-2.png (ab5af47)
• add header file (2d64347)
• add image. (ae6bc50)
• Add image header (3f24f1c)

Pull Request

#136 Update README