`chmod()` not permitted in `kalatheme_lib_dir()`

[bassettsj]

Warning: chmod(): Operation not permitted in kalatheme_lib_dir() (line 348 of /srv/bindings/c2b8ed284259499189d7bd7bfc3209a0/code/profiles/hotsauce/themes/kalatheme/includes/utils.inc).

[dariogcode]

I'm getting same error in Pantheon enviroments.

[pirog]

closing this in favor of #73