hugolib: Deprecate Page.Now
hugolib: Deprecate Page.Now

Use `now` (template func).

See cabc6b31866e3bb86759f6615a83cec4c3610e82

mdhender/hugo,digitalcraftsman/hugo,tubo028/hugo,fedelibre/hugo,mdhender/hugo,mitchchn/hugo,gohugoio/hugo,mitchchn/hugo,mdhender/hugo,tubo028/hugo,digitalcraftsman/hugo,gohugoio/hugo,anthonyfok/hugo,fedelibre/hugo,anthonyfok/hugo,mdhender/hugo,MarkDBlackwell/hugo,MarkDBlackwell/hugo,fedelibre/hugo,fedelibre/hugo,gohugoio/hugo,anthonyfok/hugo