Merge pull request #688 from ioanpocol/liveblog16

LB-1671
Remove airtime folder
Merge pull request #690 from patriciagarcia/remove_airtime_folder

Remove airtime folder
Fix readme.md, had old version
Merge pull request #691 from patriciagarcia/fix_readme

Fix readme.md, had old version
LB-1673
:
Add 'Please wait...' message after SEO option is activated but HTML is not yet generated