added the proper JointDiago method for Jade, cleaned up the includes in AJD and fixed a typo
fixed Jade unit test and made some updates to JointDiago
changed eps for UWedge and sorted the eigenvectors for V0
introduce CLock object

- do pthread etc based locking using CLock from CMap, SGObject, Random
updated name of JointDiago to JADiagOrth
renamed JADiagOrth inner functions
Merge pull request #1269 from pickle27/develop

added the proper JointDiago method for Jade, cleaned up the includes in ...
add cxx11 support

- fix compile errors when compiling with -std=c++11
- use atomic int for referenced data (no memory overhead + faster)
- use templated new's for SGMatrix(-List)
fix compile error occurring with non-c++11 compilers
use -Werror to workaround b0rken clang
work in the shogun namespace even in the .cpp file for templated classes
fix c++11 error
Quadratic features for HashedDenseFeatures