Apply patches to obsolete code per issue #6336
Bump version to 1_11_15
Add ELsyslog class as destination option.
Add syslog destination option:

-  add new class ELsyslog that inherits from ELoutput
-  adjust ELadministrator with some C++11 semantics

-  add tools/syslog/ dir with rsyslog conf. example and sqlite3 router
Remove syslog option from mf statistics printout
Patch to remove MFExtensions
Clean up CMake files using CetTest and CetMake
Add plugin capability to messagefacility
Reinstate install_headers() and install_source()
Remove dictionary-making files
With Kyle: fix minor problem causing leading space before user items.
Dependencies.
Adjust script to fix formatting error in sqlite database