Shortcuts pahse 2.
Correct icon mixup.
Shortcut changes
Case of null command already handled.
Shortcut changes
Shortcuts doc
Add dialog text.
Shortcut auto-label
Shortcut hex windows.
Shortcut code cleaned.
Shortcut strings exported.
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()
Some neglected string exports.
String export.
Merge pull request #321 from steven676/for-upstream

Linkification bugfixes
Merge pull request #322 from steven676/library-cleanup

EmulatorView library cleanup