Fix crash if fixDamage() arrives between map and expose.
Fix reflow crash if cursor is at bottom of screen and last line is empty.
Re-add select-for-write to Selector classes.
Improve scalability of SelectSelector.
Switch from FIFO to abstract Linux domain sockets.
Support 'make WARN=noerror' for occasional convenience.
Use split() in parseConfig().
Use TEMP_FAILURE_RETRY around close().
More resizeReflow() assertions.
Cleanups.
Turn unlimited-scrollback on by default.
Support user-defined colors.
README.md updates and added doc/sample-config.