Remove some cruft from the tree
EmulatorView library: tidy up public API

GrowableIntArray and TextStyle are part of the library's internals and
not exposed through any of the intended public APIs, so they should be
marked package-private.
TermSession: update documentation for notifyTitleChanged()
ColorScheme: update documentation
EmulatorView: update documentation for getURLat()
Merge pull request #322 from steven676/library-cleanup

EmulatorView library cleanup