Merge pull request #16 from mespeche/master

More explications on translation contribution.
Merge pull request #17 from mespeche/master

Page header standardization
Merge pull request #18 from mespeche/master

Right heading hierarchy (better for SEO)
Add calendar php extensions dependency
Merge pull request #19 from bilhackmac/master

Update php extensions dependencies
fixed #21
fixed #22
fixed #20
clean module part
Added "Template" section, and written email sub-section
Merge branch 'master' of https://github.com/thelia/thelia.github.io
fiw wrong syntax in config file
start creating contribution indication
fix upstream url
Fixed typo.
Merge branch 'master' of https://github.com/thelia/thelia.github.io
create event page
Merge branch 'master' of github.com:thelia/thelia.github.io
update event list
start creating address events doc