Add annot.vim
Place signs at lines with annotation.
Return immediately if calling annot failed.
Add autocmd that prints to the status line a message for the current line (if any).
Do not lopen when Annot is called.
Add vim printer option for `list` subcommand.
Remove newline characters from vim printer.
Eval output from annot's vim printer directly.

Eval output from annot's vim printer directly instead of parsing colon-delimited output.
Add makelocations function which converts the output into location list.
Check if message is blank. Do nothing if so.
Merge branch 'feature-vim-plugin'

Conflicts:
	annot.sml