[travis] log which branch, push pkgdown if dev

tic.R

 
 if (tic::ci_on_travis() && tic::ci_has_env("BUILD_PKGDOWN")) {
   # creates pkgdown site and pushes to gh-pages branch
+  message("Branch is: ", tic::ci_get_branch())
   if (tic::ci_get_branch() == "dev") {
-    tic::do_pkgdown(deploy = tic::ci_can_push())
+    tic::do_pkgdown(deploy = TRUE)
   } else {
     tic::do_pkgdown()
   }