Update fswatch so that --help and --version succeed and exit with 0.
Do not use shell scripts to set the package version because they are not detected as dependencies by Automake nor can be successfully executed when sources are outside the Git tree.
Update PO and PO template file.
Propagate M4 variable to Automake variable to set libfswatch version info.
Use std-option when install-checking fswatch.
Update version.
Update version.