Delete package leechcraft-sidebar:
it is deprecated in upstream and will be removed,
package leechcraft-sb2 is used instead.
Update debian/leechcraft-core.install:
qml files were moved to another place.
Update debian/leechcraft-lhtr.install:
file with settings was added for this plugin.
Update debian/leechcraft-gmailnotifier.install:
qml files were added for this plugin.
New upload to Launchpad.