www/trac-email2trac: Update from 2.10.0 to 2.11.0

[joneum]

Summary

• www/trac-email2trac: Update from 2.10.0 to 2.11.0
  • Remove bloodhound code.

Bug Fixes:

• Fixed a typo version must be "1.2" instead of "1,2"
• Fixed crash in email2trac when subject line contatins multiple '?'

Test Plan

~/dev/ports/www/trac-email2trac % portlint -AC
WARN: Makefile: for new port, make $FreeBSD$ tag in comment section empty, to make SVN happy.
0 fatal errors and 1 warning found.

poudriere testport:

10.3-amd64
10.3-i386
11.1-amd64
11.1-i386
12.0-CURRENT r320266 amd64
12.0-CURRENT r320266 i386