`m*` tools should have a `--version` option

[trentm]

tRent are you on the latest node-manta (where 'mmkdir' comes from)?

user sorry how do I find out?

[cburroughs]

https://cr.joyent.us/#/c/848/

$ bash -x test.sh
+ ./bin/mchattr --version
3.1.3
+ echo 0
0
+ ./bin/mchmod --version
3.1.3
+ echo 0
0
+ ./bin/mfind --version
3.1.3
+ echo 0
0
+ ./bin/mget --version
3.1.3
+ echo 0
0
+ ./bin/minfo --version
3.1.3
+ echo 0
0
+ ./bin/mjob --version
3.1.3
+ echo 0
0
+ ./bin/mln --version
3.1.3
+ echo 0
0
+ ./bin/mlogin --version
3.1.3
+ echo 0
0
+ ./bin/mls --version
3.1.3
+ echo 0
0
+ ./bin/mmd5 --version
3.1.3
+ echo 0
0
+ ./bin/mmkdir --version
3.1.3
+ echo 0
0
+ ./bin/mput --version
3.1.3
+ echo 0
0
+ ./bin/mrm --version
3.1.3
+ echo 0
0
+ ./bin/mrmdir --version
3.1.3
+ echo 0
0
+ ./bin/msign --version
3.1.3
+ echo 0
0
+ ./bin/muntar --version
3.1.3
+ echo 0
0