Merge pull request #3 from tpokorra/master

documentation of nightly builds
Merge pull request #4 from tpokorra/master

nightly builds
Add a note on setting devel_mode and debug_mode
Add a script to pull information about packages from the Kolab OBS.
Update the NGINX webserver HOWTO to Kolab 3.1
Add recipient policy term to the glossary
Refresh package version matrices
Add back the verbiage on the recipient policy feature
Add a note on having chosen to run the Cyrus SASL authentication daemon
Update installation guide for both Debian and Ubuntu
Remove obsolete chunk of header code that was already commented out
Test for the size of a file in cache as well as whether or not it exists
Add a package kolab-selinux
Refresh packages version matrices
Extend verbiage on the recipient policy.
Add sample hosted_triplet / hosted_duplet lookup tables.
Disable displaying TODOs
Add forking off Kolab 3.1 and dist/repo tag configuration
Make it clear it is not just the kolab wap that depends on selinux not enforcing the targeted policy
Debian installation: add a note for development repository