Cleaned up bird sighting form, improved the layout, aligned some fields, changed focus to be on "bird name" field.
Added icon to title bar.

Signed-off-by: Hannah <hyoung20@gmail.com>

	modified:   AndroidManifest.xml
	new file:   res/drawable-hdpi/bird_bar_icon.png
	new file:   res/drawable-hdpi/bird_bar_icon2.png
	new file:   res/drawable-hdpi/black_button.xml
	new file:   res/drawable-hdpi/form_background.xml
	modified:   res/layout/activity_bird_form.xml
	modified:   res/values/strings.xml
	modified:   res/values/styles.xml
	modified:   src/com/catalyst/android/birdapp/AddNewActivity.java