ide: removing old autocomplete stuff
commandlineserver: adding on error handler for spawned shell commands to not crash the server
ide: fixing differ window
ide: lively.ide.openFile supports absolute local paths
ide: eval for shell commands when shell textMode is activated
ide: codeEditor change text mode command
commands: saveWorldAs, browser user config, open shell workspace, open differ
server/ide: adding a directory watch server that will report files in given
directory recursively and listen for file changes. file change reportscan be
requested as diffs (files  changed,added, removed).
also adding client interface for this server. see lively.ide.DirectoryWatcher
.withFilesOfDir for usage
ide: adding incremental file searcher for lively dir. use it with Alt-T
ide: ObjectEditor comeForward
ide: activate sourcePane when SCB focused in source-pane-only state
commands: added cleanupWhitespace command (for removing trailing whitespace)
ide: big NarrowingList cleanup
use lively.ide.tools.SelectionNarrowing.getNarrower(options) to create your own
examples can be found in lively.ide.tools.SelectionNarrowing.example() and at
senders of #getNarrower