Added another email to .travis.yml
Properly support several read threads (does not survive testdir/ though)
Use a GThreadPool instead of GThread and GAsyncQueue (shorter code, thread sharing)
Some scheduler cleanup...
Found a better name for rmlints scheduler
Swapped -R and -r args
Merge branch 'devlist' of https://github.com/sahib/rmlint.git into filemap_gsequence

Conflicts:
	src/defs.h
	src/list.c
	src/mounttable.c (not 100% sure on the manual merge on mounttable.c)