Merge branch 'nk/maint-gitweb-log-by-lines'

Teach gitweb to pay attention to various forms of credits that are
similar to "Signed-off-by:" lines.

* nk/maint-gitweb-log-by-lines:
gitweb: Add support to Link: tag
gitweb: Handle other types of tag in git_print_log
gitweb: Cleanup git_print_log()

diff --cc gitweb/gitweb.perl
Simple merge