ext.csrf.form: Clean up inline documentation, and also use i18n
ext.csrf.form: Clean up inline documentation, and also use i18n

wtforms/wtforms,Aaron1992/wtforms,Aaron1992/wtforms,pawl/wtforms,jmagnusson/wtforms,crast/wtforms,subyraman/wtforms,hsum/wtforms,skytreader/wtforms,cklein/wtforms,Xender/wtforms,pawl/wtforms