comment tickets section
fix: michal lusiak photo
Merge branch 'master' of github.com:polyconf/polyconf.com

Conflicts:
	index.html
fix: for real last merge conflicts
fix: remove trailing comments
improv: make silver a bit bigger
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
fix: alignment in agenda
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge pull request #32 from AdrienGiboire/gh-pages

fix: venue section