compiler/i18n: Modified .bowl/.pot generation to always use '/' for paths, so as...

compiler/i18n: Modified .bowl/.pot generation to always use '/' for paths, so as not to have differences between .pot created on Windows or Unix systems; Only genearting .pot file when building from a release.* directory; Fixed broken .pot header (msgstr) that was preventing base path from working in PoEdit; Updated all .pot files