gitweb: move highlight config out of guess_file_syntax()
gitweb: move highlight config out of guess_file_syntax()

Move highlight config out of guess_file_syntax() so that it can be
extended/overridden by system/user configuration.

Signed-off-by: Alejandro R. Sedeño <27206d5b8770b2510a49282c7ab9d874450efe13@mit.edu>
Acked-by: Jakub Narebski <a6a1517a087f9f64a72f41a0de57ff01fbb0e412@gmail.com>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git