softmax function added
fixed compile error when eigen3 not installed
Cleaning unit tests imports: Removed unneeded #include, i.e. <init.h>
Cleaning unit tests imports: Don't include Labels, when only Math was wanted.
Cleaning unit tests imports: Don't just include what's working.  Include what's needed.
Merge pull request #2008 from sunil1337/compile_error

fixed compile error when eigen3 not installed
Merge pull request #2011 from tklein23/clean_unittest_imports

Clean unittest imports (removed obsolete imports as a first step)
Update RandomKitchenSinksDotFeatures.h

Fixed "bullet lists" errors and a subscript error in Doxygen documentation.
Merge pull request #1 from hwl596/features/RKSDotFeatureHeaderFile

Update RandomKitchenSinksDotFeatures.h
Fixing memory leak in NCBM solver.
Update RandomKitchenSinksDotFeatures.h

Add more details on RKS algorithm.
Merge pull request #2014 from tklein23/fix_libncbm_leak

Fixing memory leaks in NCBM solver.
licence added + log_sum_exp trick added
Cleaning imports in class base/SGRefObject.
Cleaning imports in class base/init.cpp
Cleaning imports in class base/SGObject.
Cleaning imports in class base/Parallel.
Cleaning imports in class base/ParameterMap.
Cleaning imports in class base/Version.
Mixing in SGString/SG*Vector/SG*Matrix/CSerializableFile in funny places:
In places that are using it and don't include it (or having a superclass that includes).
Needed for fixing imports/forward declarations in base/Parallel.
Cleaning imports in class base/Parameter.
Cleaning imports in template for class base/class_list.cpp
Cleaning imports in class SGVector.
Adding missing preamble to SGSparseVector.cpp.
Cleaning imports in class SGSparseVector.
Reformatting Labels to fix indentation before changing.
Cleaning imports in class CLabels.
Cleaning imports in class MultilabelLabels.
Adding missing preamble to BinaryLabels.cpp.
Cleaning imports in class CBinaryLabels.
Formatting BinaryLabels.
Cleaning imports in class CSparseFeatures.
Cleaning imports in class CStreamingSparseFeatures.
Cleaning imports in class CStreamingDotFeatures.
Cleaning/fixing #includes in lbfgs.
Cleaning imports in class machine/BaseMulticlassMachine.h
Cleaning imports in class machine/LinearLatentMachine.h
Cleaning imports in class machine/StructuredOutputMachine.h
Cleaning imports in class machine/LinearMachine.cpp
Cleaning imports in class machine/KernelMachine.cpp
Cleaning imports in class machine/DistanceMachine.cpp
Cleaning imports in class machine/Machine.h
Cleaning imports in class machine/StructuredOutputMachine.cpp
Cleaning imports in class machine/LinearMachine.cpp
Cleaning imports in class machine/KernelStructuredOutputMachine.cpp
Cleaning imports in class KernelRidgeRegression.h - adapting change of Kernel.h
Cleaning imports in class machine/KernelMachine.cpp
Cleaning imports in class machine/DistanceMachine.h
Cleaning imports in class machine/Machine.cpp
Cleaning imports in class machine/BaggingMachine.cpp
Cleaning imports in class machine/MulticlassMachine.cpp
Cleaning imports in class machine/KernelMulticlassMachine.cpp
Cleaning imports in class machine/LinearStructuredOutputMachine.cpp
Cleaning imports in class machine/OnlineLinearMachine.cpp