Minor cleanup and doc entrypoint

Author: GearsAD

docs/src/func_ref.md

@@ -58,8 +58,9 @@ getSubgraphAroundNode
 getSubgraph
 ```
 
-### Visualization
+### Visualization and Plotting
 ```@docs
 toDot
 toDotFile
+dfgplot
 ```

src/entities/DFGFactor.jl

@@ -81,10 +81,3 @@ const PackedFunctionNodeData{T} = GenericFunctionNodeData{T, <: AbstractString}
 PackedFunctionNodeData(x1, x2, x3, x4, x5::S, x6::T, x7::String="", x8::Vector{Int}=Int[]) where {T <: PackedInferenceType, S <: AbstractString} = GenericFunctionNodeData(x1, x2, x3, x4, x5, x6, x7, x8)
 const FunctionNodeData{T} = GenericFunctionNodeData{T, Symbol}
 FunctionNodeData(x1, x2, x3, x4, x5::Symbol, x6::T, x7::String="", x8::Vector{Int}=Int[]) where {T <: Union{FunctorInferenceType, ConvolutionObject}}= GenericFunctionNodeData{T, Symbol}(x1, x2, x3, x4, x5, x6, x7, x8)
-
-"""
-    $SIGNATURES
-
-Retrieve data structure stored in a node.
-"""
-getData(v::DFGFactor)::GenericFunctionNodeData = v.data