Add --no-dangling-links option to h5ls.
Description:
Related to "Bug 1830 - Following an dangling external link in h5ls should set non-zero return code."
If --no-dangling-links option is specified and any dangling link is found, return exit code 1 (error).
Tested:
jam, amani and heiwa
Support follow symbolic links.
Description:
Add '--follow-symlinks' option to follow symbolic links (soft and external).
Update help page according to RM.
Remove some warning messages from compiler.
Tested:
jam, amani and linew