_s: Update pot file.
_s: Update pot file.

Last update was a good three months ago and we had some string changes
since then.

Fixes #434.

vaishaliagola27/_s,jchck/jchck_,madeso-uk/vcsassist,jchck/jchck_,solidusjs/wp-solidus,andbaz/launchbaz,vaishaliagola27/_s,andbaz/launchbaz,carl-alberto/business-portfolio,SparkartGroupInc/nadando,carl-alberto/business-portfolio,madeso-uk/vcsassist,vaishaliagola27/_s