Various Updates

Added Title to tree view.

Added dividers between attributes in tree view.

Change text on genus and species buttons to show common name in bold,
and botanical name smaller on next line.

Change answer text after question to bold.

Fixed issue where multiple fragments were created when switching between
browse and id trees.

Refined button listeners for identifications. Now only 1 listener that
acts according to button Id.
apk

added apk and other resources needed to run application.