tags: describe all abnormal tag types in `hg tags -v`
In particular, this affects `git` and `git-remote` tags when using hg-git.
Test Plan:
I have not included an explicit test, as this is much more easily tested within the `hg-git` test suite.
Differential Revision: https://phab.mercurial-scm.org/D9639
pager.pager=p0 # $TESTTMP/sysrc:4
ui.editor=e1 # $TESTTMP/userrc:2
pager.pager=p2 # $PAGER
ui.editor=e1 # $TESTTMP/userrc:2