nnForge v1.1.0

I've just published new nnForge release v1.1.0, which has a lot of new functionality and fixes implemented:

• Squared Hinge Loss error function added
• Local contrast subtractive layer hessian and updater implementations added both to CPU and GPU backend
• Maxout layer added with CPU and GPU backends implemented
• Added tester functionality for rgb_to_you_convert layer in CUDA backend
• Learning rate decay functionality for tail iterations is added
• Fixed:
• Functionality bug in L2 incoming weights regularizer
• Functionality bug for rectangular local contrast subtractive
• Recovered snapshot_invalid functionality