First commit
ASDF_TO_SAC_CONVERER: convert asdf into ascii and sac data format
add README
Add function which generate the station file
modify PAR_FILE_MAIN.test
*change Makefile to make it more flexible
*changes the data type in asdf_data structure from real to double
*fix some bugs
Merge branch 'test2'

Conflicts:
	.gitignore
	Makefile
	PAR_FILE_MAIN
	src/asdf_util/ASDF_HEADERS
	src/asdf_util/Makefile
	src/asdf_util/adios_helpers.f90
	src/asdf_util/adios_helpers_definitions.f90
	src/asdf_util/adios_helpers_writers.f90
	src/asdf_util/asdf_data.f90
	src/main.f90
	src/main_subs.f90
	src/seismo_variables.f90