New repository for fs package.
update git ignore list.
iS: F0 is not small.
fs GNUmakefile bug fixed: no table.h or table.cpp.
iS: bug fix. nan shows up in chemical equilibrium is fixed.
****new branch: include delta f_bulk******
read in pdg.dat bug fix.
VISHNew: bug fix: unit of bulk pi in decdat2.dat file.
Modified .gitignore. Ignore all parameters in fs/data/result
Including bulk pressure correction to distribution function.
Correct the form of bulk pressure contribution to total energy.
Merge branch 'master' of https://github.com/JiaLiu11/fs_package