Removed file_watcher. Brought some simplifications to events manager code.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Merge branch 'master' of github.com:VerKnowSys/Syndir

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>

Conflicts:
	file_watchers_manager.cc
Even more roboust version of loading the list.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>