gitweb: consolidate action URL generation.
gitweb: consolidate action URL generation.

Use the href() function instead of string concatenation to generate
most URLs to our own CGI.
This is a work in progress, not everything has been converted yet.

Signed-off-by: Martin Waitz <7b58d40291ca68e315b464e082026bd30087ffb3@admingilde.org>
Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

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