appview/pages: minor template fixes

these only worked because of a bug in loadAllTemplates. execute and
executeRepo always had access to the repoBase layout. this is no longer
the case.

Signed-off-by: oppiliappan <[e-mail]>

appview/pages/pages.go

···
 
 func (p *Pages) RepoTree(w io.Writer, params RepoTreeParams) error {
 	params.Active = "overview"
-	return p.execute("repo/tree", w, params)
+	return p.executeRepo("repo/tree", w, params)
 }
 
 type RepoBranchesParams struct {
···
 	} else {
 		params.State = "closed"
 	}
-	return p.execute("repo/issues/issue", w, params)
+	return p.executeRepo("repo/issues/issue", w, params)
 }
 
 type RepoNewIssueParams struct {

appview/pages/templates/layouts/repobase.html

···
         {{ block "repoAfter" . }}{{ end }}
     </section>
 {{ end }}
-
-{{ define "layouts/repobase" }}
-    {{ template "layouts/base" . }}
-{{ end }}