* special characters in sites.json
*Move to sites_custom.js: Orlando Sentinel (151,000 daily prints), Sun-Sentinel (163,000) San Diego Union-Tribune (121,000), The News-Gazette, The Morning Call, mexiconewsdaily, L.A. Business Journal, baltimore sun, Crain's Chicago Business, l'écho, Winston-Salem Journal, Eindhovens Dagblad, The Examiner, etc.
* remove the two screenshots & changelog.txt (obsolete)
* instructions for Opera/Vivaldi/Brave/Chromium browsers & link to Firefox
* Updates README.md
