reload modules with F6
configurable key
unhighlight history search term explicitly for most events
keys stop working
fix all curtsies keybindings
bump curtsies version for new keys
Merge branch 'fix-308'

Conflicts:
	bpython/curtsiesfrontend/repl.py
exit immediately on exit key
fix #314
fix dictionary autocompletion
Merge branch 'clear-modules-and-reevaluate'

Conflicts:
	bpython/curtsiesfrontend/repl.py
fix bad keybind
fix typo in keybind
fix #319
detect returns in input
interaction works with new keys
FakeStdin works, includes curtsies version bump
Drop support for legacy config file locations
Do not mention themes on the website

They do not exist.

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>