delete all the test/pr-2 files to keep master clean
add the log files
Merge branch 'dev' to update the read_write_data.f90
update the problem_report
compare the data with old code, fix the coeffecients
Merge branch 'test/pr-2'

Conflicts:
	program/G0_t.dat
	program/G_omega.dat
	program/Sigma_omega.dat
	program/Sigma_t.dat
	program/W_omega.dat
	program/main.f90
	program/self_consistent.f90
	program/test_pr2.f90
	program/vrbls_mc.mod
delete test files
update the problem_report and daily report
add a correction term to the integral of Polar to avoid the jump at
tau=0 in W
Merge branch 'test/pr-2' to add the correction term in integral of Polar

Conflicts:
	program/0.50_W_t.dat
	program/G0_t.dat
	program/G_t.dat
	program/Polar_t_test.dat
	program/W0_omega.dat
	program/W_t.dat
	program/W_t_test.dat
	program/vrbls_mc.mod
delete the test files and update the logs