Add a dbtunnel target to elemoine.mk
Merge pull request #121 from Geoportail-Luxembourg/dbtunnel

Add a dbtunnel target to elemoine.mk
added vars for jkonnen
Merge pull request #123 from Geoportail-Luxembourg/vars_jkonnen

added vars for jkonnen
added missing mk file to branch
Merge pull request #125 from Geoportail-Luxembourg/vars_jkonnen

added missing mk file to branch
Add a dbtunnel target to pgiraud.mk
Merge pull request #127 from Geoportail-Luxembourg/pgiraud_vars

Add a dbtunnel target to pgiraud.mk
Add an app-specific catalog directive
Add a layer factory service
Add a catalog tree (as a temporary JSON file)
Use app-catalog directive
Rebase + fix naming change (catalog -> tree)
catalog from service + tabs in layers panel