C# MLP realization

v. 0.6 (restarted github project)

• TValueSet -> List<tfloat[]>.
• IndexLayer, IndexNeuron: TWeight -> TNeuron.
• Fields naming correction.
• Application name copyright stuff.

v. 0.6.1

• Step/Momentum classes->deligates + some reducing duplication.
• Version -> build info.

v. 0.7

• Serialization/Deserialization, deleted self-made save/load fields and methods.
• Little code clearing.