Modify the bug in soltracy.cc, now can  calculate FMA using the values setting in the input script.

Fix the bug in ReadCh, now the code can read correctly the vacuum chamber setting in soleil lattice.

Add paths to the files, now one only need to provide the common directory of all the files and the file names in the .prm script.

As in Tracy II, convergence test introduced since at commonDP (10-10) the computing precision is low.

Incode coupling calculation from tracy 2
into tracy 3, and also add some comments
about the functions.

INtegration of text interface
Integration Tracy II

Tested, works fine.

Tested as working fine

and test of the code OK