bug fixes in Jade.cpp
removed buggy classes from clone-test
fixed two uninitialised memory bugs
Merge pull request #1295 from karlnapf/develop

fixed two uninitialised memory bugs
Merge pull request #1294 from lambday/feature/log_determinant

removed buggy classes from clone-test
fixed Jade
Factor Graph
Jade fixed looping code style
Jade, code clean up around the eigenvectors
Jade cleanup
Merge pull request #1224 from hushell/develop

Factor Graph
fixed Jade unit test
add posterior approximation mean and covariance for Laplacian inference method
Merge pull request #1293 from votjakovr/feature/gp_refactoring

add posterior approximation mean and covariance for Laplacian inference method
drop default type to hopefully fix compile error
Merge pull request #1292 from van51/feature/quadratic

Quadratic support in HashedDenseFeatures
fix doxygen doc
drop std cmath compile workaround
drop C warning option -Werror-implicit-function-declaration from compile flags
drop unicode character