UC-2276: Set Resource Limits of MongoDB

- generate /etc/security/limits.d/99-mongodb-nproc.conf with proper limits for mongod user, as suggested in http://docs.mongodb.org/manual/reference/ulimit/
XX-10914:  Bringing back legacy (but working) parseLogLine
Merge branch 'release-14.10' of ssh://github.com/SIPfoundry/sipxecs into release-14.10