Prejmenovani scp_meta -> scpm, zmena verze

lib/help.dart

 void help() {
-  String help = """scp_meta v0.0.1
-  Syntax: scp_meta [-346ABCpqrTv] [-d|--dry-run] [-c cipher] [-F ssh_config] [-i identity_file] [-J destination] [-l limit] [-o ssh_option] [-P port] [-S program] source target
+  String help = """scpm v0.0.2
+  Syntax: scpm [-346ABCpqrTv] [-d|--dry-run] [-c cipher] [-F ssh_config] [-i identity_file] [-J destination] [-l limit] [-o ssh_option] [-P port] [-S program] source target
   """;
 
   print(help);