sjn tested mHMM install 

RUN cd /usr/local/pipeline/ \
&& wget https://www.stt.msu.edu/users/hengwang/mHMM%20Data/mHMM_1.0.tar.gz \
&& R CMD INSTALL mHMM_1.0.tar.gz \
&& rm mHMM_1.0.tar.gz;