removed uneeded stubs
added us_srtm_check using gdal_util contains
removed unused functions
add gitignore
rm gitignore for now.
add gitignore
rm gitignore for now.
add gitignore
rm gitignore for now.
add gitignore
rm gitignore for now.
add gitignore
rm gitignore for now.
add gitignore
rm gitignore for now.
add gitignore
rm gitignore for now.
add gitignore
rm gitignore for now.
add gitignore