Imported Upstream version 17.0.6
Imported Upstream version 24.0.2
Merge tag 'upstream/24.0.2'

Upstream version 24.0.2

Conflicts:
	chrome/content/inverse-library/sogoWebDAV.js
	install.rdf
debian/control: adjust build-dependency on icedove-dev 24.x
debian/watch: adjust watch file to version 24
document changes and release 24.0.2-1