2016-04-02  Murray Cumming  <murrayc@murrayc.com>

	C++11: signal: Use a range-based for loop.

2016-04-02  Murray Cumming  <murrayc@murrayc.com>

	C++11: signal: Use auto for iterators.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	Remove unnecessary signal.cc file.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	Remove unnecessary slot.cc file.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	docs: slots: Fix tiny typo.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	docs: mem_fun: Improve the simple description.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	docs: mem_fun: Improve the note about auto-disconnection.

	Because "cleared" doesn't really tell us how this benefits us.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	docs: slots: Mention automatic disconnection.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	docs: slots: auto: Mention why it is bad.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	test_mem_fun: Test auto-disconnection with trackable.

	This is probably tested somewhere else already, but I like having it
	here too because it is an important reason for slot<> to exist,
	compared to a simple std::function.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	test_mem_fun: Rearrange into individual test functions.

2016-04-01  Murray Cumming  <murrayc@murrayc.com>

	docs: Slots: Add section titles to break it up.