change package organisation

data/Region_LD.csv

doc/Makefile

doc/make.bat

doc/source/_autosummary/impute_jass.imputation_launcher.rst

doc/source/_autosummary/impute_jass.ld_matrix.rst

doc/source/_autosummary/impute_jass.stat_models.rst

doc/source/_autosummary/impute_jass.windows.rst

doc/source/conf.py

doc/source/index.rst

doc/source/reference.bib

raiss/__init__.py

raiss/__main__.py

raiss/imputation_launcher.py

raiss/ld_matrix.py

raiss/stat_models.py

raiss/windows.py

requirements.txt

setup.py