configurable scanner cache
remove unused scanner:get_text_line
remove unused scanner:get_text
remove reconciler debug logging
remove internal scanner logging
small fix
simplify erlide_scanner:initial_scan
handle crashing ide runtimes better

show dialog with reason and open dialog to reconfigure
releng: small fixes
add @noimplement to model interfaces
make ErlMember.upToEndOfToken protected
remove IWorkingCopy
update ruby version
small fixes
small fix
misc small fixes
remove unused OverlayPage classes
move IErlModule methods to ISourceUnit
remove unused ISourceUnit.getTimestamp
project config cleanups