Add preliminary setup wizard

java/res/drawable-hdpi/ic_settings_language.png

java/res/drawable-mdpi/ic_settings_language.png

java/res/drawable-xhdpi/ic_settings_language.png

java/res/layout/setup_step.xml

java/res/layout/setup_wizard.xml

java/res/values-sw600dp-land/setup-dimens.xml

java/res/values-sw768dp-land/setup-dimens.xml

java/res/values/colors.xml

java/res/values/setup-dimens.xml

java/res/values/setup-styles.xml

java/res/values/strings.xml

...c/com/android/inputmethod/compat/TextViewCompatUtils.java

java/src/com/android/inputmethod/compat/ViewCompatUtils.java

...rc/com/android/inputmethod/latin/setup/SetupActivity.java

...droid/inputmethod/latin/setup/SetupStepIndicatorView.java