Merge pull request #8 from emilsedgh/master

More fix.
Merge pull request #9 from emilsedgh/master

Pf.
tehlug staff updated.
175 updated. 174 and 173 photos are added.
175 updated. -r1: 175 presentation download link added.
session issuing is now automated using issue_session.sh script. | buggy on date due to an internal jcal bug | scripts are now moved to scripts folder.
176 date typo fixed.
176 updated | before session.
List FAQ update, list's info & unsubscription howto added
Center-align images
Collapsible FAQ