Mentioned the dependency on mongo-c-driver v0.6
Credits to KryptoKnight
Improved TCP/TLS reading

- moved TCP read buffer on a per process basis
- limit the number of chunks per SIP message
- limit the overall time spent reading a SIP message
if timeout expired in child while nothing was read - simply pass back to main
otherwise, if we read only a small piece of a message, terminate the connection
new rpm modules

Some new rpm optional modules are added:
  cachedb_cassandra,cachedb_mongodb,osp,perl,perlvdb,tlsops
Merge pull request #22 from fabriziopicconi/patch-4

new rpm modules
Added a new interface for UDP based inter-OpenSIPS communication
Fix: added all files from previous commit
Added a new mechanism for replicating dialogs using the new
UDP-based internal communication interface
- enhanced the presence API to allow internal publishing (not via SIP) and a better control over the watchers (needed for SCA implementation)
- support for SCA Broadsoft based on dialog module