Update prices.json
Merge pull request #494 from jodeq/master

Update prices.json
update swiftmailer version.
Merge pull request #497 from lunika/mailer

update swiftmailer version.
add missing use
remove unused use statement
remove commented code
remove unused variable
remove unused variable
Merge pull request #498 from lunika/fix

Fix
Starting architecture for module hook in the front office
more changes
some more changes
new tag hooks based on service
Starting architecture for module hook in the front office
more changes
some more changes
new tag hooks based on service
test on smarty render
added module hook position, basic support of smarty