bug fixes in Jade.cpp
Quadratic support in HashedDenseFeatures
fixed Jade
Jade fixed looping code style
Jade, code clean up around the eigenvectors
Jade cleanup
fixed Jade unit test
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
add rtti test in configure
Merge pull request #1296 from pickle27/develop

Fixed Jade