Added backup and restore instructions.
Added backup and restore instructions.

ksurya/SciPyCentral,wqshi/test,Srisai85/SciPyCentral,wqshi/test,scipy/SciPyCentral,Srisai85/SciPyCentral,ksurya/SciPyCentral,scipy/SciPyCentral,scipy/SciPyCentral,ksurya/SciPyCentral,Srisai85/SciPyCentral,wqshi/test