Fix issue #2029 - Use env in all script interpreter lines
Fix issue #1995 - Put stock US marine VHF channels into real channel order
Fix issue #2103 - Convert tab characters to spaces in shell scripts
ap510: cast values added to the mmap to strings, as the radio expects. #2095
ap510: Handle uninitialized data in the digipeat alias. #2095
ap510: Wait longer for data during download. #2095
Revert /bin/env change to win32 build script

This was causing the build system to fail because the cygwin
/usr/bin/env doesn't seem to like the -x.

Related to #2029