Upstream has renamed the folder "web" to "public_html" in >1.0.3 releases.
The 9999 ebuild and any further ebuilds should be adopted accordingly: http://git.kolab.org/kolab-freebusy/tree/?id=kolab-freebusy-1.0.3
The 9999 ebuild and any further ebuilds should be adopted accordingly: http://git.kolab.org/kolab-freebusy/tree/?id=kolab-freebusy-1.0.3