Merge pull request #813 from vigsterkr/utest

Fix LatentSVM unit testing
Fix libshogun.dylib compilation on OS X
Set current version and compatibility version for libshogun
Merge pull request #814 from vigsterkr/latent

Fix libshogun.dylib compilation on OS X
Reverted SGString transformation
Fix StreamingFeatures

	* StreamingDotFeatures, StreamingFeatures:
	Remove empty functions and constructors
	* StreamingSparseFeatures:
	removing working_file variable that shadows the same variable in
	StreamingFeatures
	increase the reference of the working_file in ctor
	define the dtor virtual
Patched multiclass libsvm to support 2 classes
Merge pull request #816 from vigsterkr/latent

Fix StreamingFeatures
polished simple serialization example
added serialization example for combined kernel consisting of spectrum and wdk kernels
Merge pull request #817 from cwidmer/master

added serialization example
fixed typo
Attempted to fix strings serialization process
Merge pull request #818 from cwidmer/master

fixed typo
Add LinearARDKernel and GaussianARDKernel to modular interface
Merge pull request #819 from vigsterkr/latent

Add LinearARDKernel and GaussianARDKernel to modular interface
Fixed math issues in LPP
Removed junk debug print in LPP
perl_modular:allows to handle in-type map shogun::SGVector<type> being PDL or  SWIGTYPE_p_shogun__SGVectorT.

added PDL typemap .. in case.
re-enabled vector operator + and += for perl.
removed a few comments and dead code, compacted SWIGPERL part.