Changelog:
=========
-Fix router so that /path/ will match a rule /path if strict slashes mode is
disabled for the rule. #2467
-Fix router so that partial part matches are not allowed i.e. /2df does not
match /<int>. #2470
-Fix router static part weighting, so that simpler routes are matched before
more complex ones. #2471
-Restore ValidationError to be importable from werkzeug.routing. #2465
Signed-off-by: Xu Huan <xuhuan.fnst@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
